v3.26.1
Shareholder Report
6 Months Ended
Apr. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name CALAMOS INVESTMENT TRUST/IL
Entity Central Index Key 0000826732
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000011358  
Shareholder Report [Line Items]  
Fund Name Calamos Convertible Fund
Class Name Class A
Trading Symbol CCVIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Convertible Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$59
1.12%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.12% [1]
AssetsNet $ 1,070,158,589
Holdings Count | Holding 114
InvestmentCompanyPortfolioTurnover 51.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,070,158,589
114
51%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
42.0
Industrials
10.7
Utilities
9.0
Health Care
6.7
Communication Services
6.5
Financials
6.3
Consumer Discretionary
4.3
Real Estate
3.9
Materials
2.5
Other
2.5
Energy
2.4
Consumer Staples
1.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Western Digital Corp., 3.000%, 11/15/28
4.6
Lumentum Holdings, Inc., 0.375%, 03/15/32
4.4
Bloom Energy Corp., 0.000%, 11/15/30
2.8
MKS, Inc., 1.250%, 06/01/30
2.7
Boeing Co., 6.000%, 10/15/27
2.7
Akamai Technologies, Inc., 0.250%, 05/15/33
2.2
ON Semiconductor Corp., 0.500%, 03/01/29
2.1
CenterPoint Energy, Inc., 3.000%, 08/01/28
2.0
Oracle Corp., 6.500%, 01/15/29
1.9
Digital Realty Trust LP, 1.875%, 11/15/29
1.9
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011360  
Shareholder Report [Line Items]  
Fund Name Calamos Convertible Fund
Class Name Class C
Trading Symbol CCVCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Convertible Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$98
1.87%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 98
Expense Ratio, Percent 1.87% [2]
AssetsNet $ 1,070,158,589
Holdings Count | Holding 114
InvestmentCompanyPortfolioTurnover 51.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,070,158,589
114
51%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
42.0
Industrials
10.7
Utilities
9.0
Health Care
6.7
Communication Services
6.5
Financials
6.3
Consumer Discretionary
4.3
Real Estate
3.9
Materials
2.5
Other
2.5
Energy
2.4
Consumer Staples
1.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Western Digital Corp., 3.000%, 11/15/28
4.6
Lumentum Holdings, Inc., 0.375%, 03/15/32
4.4
Bloom Energy Corp., 0.000%, 11/15/30
2.8
MKS, Inc., 1.250%, 06/01/30
2.7
Boeing Co., 6.000%, 10/15/27
2.7
Akamai Technologies, Inc., 0.250%, 05/15/33
2.2
ON Semiconductor Corp., 0.500%, 03/01/29
2.1
CenterPoint Energy, Inc., 3.000%, 08/01/28
2.0
Oracle Corp., 6.500%, 01/15/29
1.9
Digital Realty Trust LP, 1.875%, 11/15/29
1.9
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011361  
Shareholder Report [Line Items]  
Fund Name Calamos Convertible Fund
Class Name Class I
Trading Symbol CICVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Convertible Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$46
0.87%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.87% [3]
AssetsNet $ 1,070,158,589
Holdings Count | Holding 114
InvestmentCompanyPortfolioTurnover 51.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,070,158,589
114
51%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
42.0
Industrials
10.7
Utilities
9.0
Health Care
6.7
Communication Services
6.5
Financials
6.3
Consumer Discretionary
4.3
Real Estate
3.9
Materials
2.5
Other
2.5
Energy
2.4
Consumer Staples
1.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Western Digital Corp., 3.000%, 11/15/28
4.6
Lumentum Holdings, Inc., 0.375%, 03/15/32
4.4
Bloom Energy Corp., 0.000%, 11/15/30
2.8
MKS, Inc., 1.250%, 06/01/30
2.7
Boeing Co., 6.000%, 10/15/27
2.7
Akamai Technologies, Inc., 0.250%, 05/15/33
2.2
ON Semiconductor Corp., 0.500%, 03/01/29
2.1
CenterPoint Energy, Inc., 3.000%, 08/01/28
2.0
Oracle Corp., 6.500%, 01/15/29
1.9
Digital Realty Trust LP, 1.875%, 11/15/29
1.9
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000064541  
Shareholder Report [Line Items]  
Fund Name Calamos Evolving World Growth Fund
Class Name Class A
Trading Symbol CNWGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Evolving World Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$73
1.30%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 73
Expense Ratio, Percent 1.30% [4]
AssetsNet $ 450,327,719
Holdings Count | Holding 95
InvestmentCompanyPortfolioTurnover 81.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$450,327,719
95
81%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
44.8
Industrials
18.2
Financials
16.4
Consumer Discretionary
6.4
Communication Services
4.8
Materials
4.0
Utilities
1.4
Energy
1.0
Consumer Staples
0.9
Real Estate
0.6
Other
0.5
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.
17.7
Samsung Electronics Co. Ltd.
5.3
Hyundai Motor Co.
3.8
Goldman Sachs Finance Corp. International Ltd. (Tencent Holdings Ltd.), 0.000%, 01/29/29
3.1
Hyosung Heavy Industries Corp.
2.6
SK Hynix, Inc., 1.750%, 04/11/30
2.3
SK Telecom Co. Ltd.
2.2
Alibaba Group Holding Ltd.
1.8
SK Square Co. Ltd.
1.8
Samsung Electro-Mechanics Co. Ltd.
1.6
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000064543  
Shareholder Report [Line Items]  
Fund Name Calamos Evolving World Growth Fund
Class Name Class C
Trading Symbol CNWDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Evolving World Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$115
2.05%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 115
Expense Ratio, Percent 2.05% [5]
AssetsNet $ 450,327,719
Holdings Count | Holding 95
InvestmentCompanyPortfolioTurnover 81.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$450,327,719
95
81%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
44.8
Industrials
18.2
Financials
16.4
Consumer Discretionary
6.4
Communication Services
4.8
Materials
4.0
Utilities
1.4
Energy
1.0
Consumer Staples
0.9
Real Estate
0.6
Other
0.5
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.
17.7
Samsung Electronics Co. Ltd.
5.3
Hyundai Motor Co.
3.8
Goldman Sachs Finance Corp. International Ltd. (Tencent Holdings Ltd.), 0.000%, 01/29/29
3.1
Hyosung Heavy Industries Corp.
2.6
SK Hynix, Inc., 1.750%, 04/11/30
2.3
SK Telecom Co. Ltd.
2.2
Alibaba Group Holding Ltd.
1.8
SK Square Co. Ltd.
1.8
Samsung Electro-Mechanics Co. Ltd.
1.6
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000064544  
Shareholder Report [Line Items]  
Fund Name Calamos Evolving World Growth Fund
Class Name Class I
Trading Symbol CNWIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Evolving World Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$59
1.05%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.05% [6]
AssetsNet $ 450,327,719
Holdings Count | Holding 95
InvestmentCompanyPortfolioTurnover 81.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$450,327,719
95
81%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
44.8
Industrials
18.2
Financials
16.4
Consumer Discretionary
6.4
Communication Services
4.8
Materials
4.0
Utilities
1.4
Energy
1.0
Consumer Staples
0.9
Real Estate
0.6
Other
0.5
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.
17.7
Samsung Electronics Co. Ltd.
5.3
Hyundai Motor Co.
3.8
Goldman Sachs Finance Corp. International Ltd. (Tencent Holdings Ltd.), 0.000%, 01/29/29
3.1
Hyosung Heavy Industries Corp.
2.6
SK Hynix, Inc., 1.750%, 04/11/30
2.3
SK Telecom Co. Ltd.
2.2
Alibaba Group Holding Ltd.
1.8
SK Square Co. Ltd.
1.8
Samsung Electro-Mechanics Co. Ltd.
1.6
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000150496  
Shareholder Report [Line Items]  
Fund Name Calamos Global Convertible Fund
Class Name Class A
Trading Symbol CAGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Convertible Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$68
1.31%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.31% [7]
AssetsNet $ 173,969,049
Holdings Count | Holding 115
InvestmentCompanyPortfolioTurnover 21.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$173,969,049
115
21%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.0
Communication Services
13.3
Consumer Discretionary
13.1
Industrials
9.5
Health Care
7.0
Utilities
5.6
Energy
5.0
Materials
4.1
Financials
3.9
Consumer Staples
1.3
Real Estate
1.2
Other
0.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Boeing Co., 6.000%, 10/15/27
3.6
Eni SpA, Series ENI, 2.950%, 09/14/30
3.4
Seagate HDD Cayman, 3.500%, 06/01/28
3.4
JD.com, Inc., 0.250%, 06/01/29
3.1
Alibaba Group Holding Ltd., 0.500%, 06/01/31
2.8
Strategy, Inc., 0.000%, 12/01/29
2.8
Bloom Energy Corp., 0.000%, 11/15/30
2.4
Oracle Corp., 6.500%, 01/15/29
2.1
Duke Energy Corp., 3.000%, 03/15/29
1.8
Rivian Automotive, Inc., 4.625%, 03/15/29
1.7
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000150497  
Shareholder Report [Line Items]  
Fund Name Calamos Global Convertible Fund
Class Name Class C
Trading Symbol CCGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Convertible Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$106
2.06%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 106
Expense Ratio, Percent 2.06% [8]
AssetsNet $ 173,969,049
Holdings Count | Holding 115
InvestmentCompanyPortfolioTurnover 21.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$173,969,049
115
21%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.0
Communication Services
13.3
Consumer Discretionary
13.1
Industrials
9.5
Health Care
7.0
Utilities
5.6
Energy
5.0
Materials
4.1
Financials
3.9
Consumer Staples
1.3
Real Estate
1.2
Other
0.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Boeing Co., 6.000%, 10/15/27
3.6
Eni SpA, Series ENI, 2.950%, 09/14/30
3.4
Seagate HDD Cayman, 3.500%, 06/01/28
3.4
JD.com, Inc., 0.250%, 06/01/29
3.1
Alibaba Group Holding Ltd., 0.500%, 06/01/31
2.8
Strategy, Inc., 0.000%, 12/01/29
2.8
Bloom Energy Corp., 0.000%, 11/15/30
2.4
Oracle Corp., 6.500%, 01/15/29
2.1
Duke Energy Corp., 3.000%, 03/15/29
1.8
Rivian Automotive, Inc., 4.625%, 03/15/29
1.7
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000150498  
Shareholder Report [Line Items]  
Fund Name Calamos Global Convertible Fund
Class Name Class I
Trading Symbol CXGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Convertible Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$55
1.06%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.06% [9]
AssetsNet $ 173,969,049
Holdings Count | Holding 115
InvestmentCompanyPortfolioTurnover 21.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$173,969,049
115
21%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.0
Communication Services
13.3
Consumer Discretionary
13.1
Industrials
9.5
Health Care
7.0
Utilities
5.6
Energy
5.0
Materials
4.1
Financials
3.9
Consumer Staples
1.3
Real Estate
1.2
Other
0.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Boeing Co., 6.000%, 10/15/27
3.6
Eni SpA, Series ENI, 2.950%, 09/14/30
3.4
Seagate HDD Cayman, 3.500%, 06/01/28
3.4
JD.com, Inc., 0.250%, 06/01/29
3.1
Alibaba Group Holding Ltd., 0.500%, 06/01/31
2.8
Strategy, Inc., 0.000%, 12/01/29
2.8
Bloom Energy Corp., 0.000%, 11/15/30
2.4
Oracle Corp., 6.500%, 01/15/29
2.1
Duke Energy Corp., 3.000%, 03/15/29
1.8
Rivian Automotive, Inc., 4.625%, 03/15/29
1.7
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000043702  
Shareholder Report [Line Items]  
Fund Name Calamos Global Equity Fund
Class Name Class A
Trading Symbol CAGEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$72
1.40%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 72
Expense Ratio, Percent 1.40% [10]
AssetsNet $ 183,316,149
Holdings Count | Holding 73
InvestmentCompanyPortfolioTurnover 63.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$183,316,149
73
63%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.0
Industrials
15.7
Communication Services
9.3
Health Care
8.3
Consumer Discretionary
8.2
Financials
7.1
Energy
4.2
Utilities
3.3
Consumer Staples
3.3
Materials
2.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
7.0
Alphabet, Inc. - Class A
5.1
Taiwan Semiconductor Manufacturing Co. Ltd.
4.8
Amazon.com, Inc.
3.4
Samsung Electronics Co. Ltd.
3.2
GE Vernova, Inc.
3.1
Eli Lilly & Co.
2.4
TechnipFMC PLC
2.3
Lumentum Holdings, Inc.
2.2
Rolls-Royce Holdings PLC
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000043704  
Shareholder Report [Line Items]  
Fund Name Calamos Global Equity Fund
Class Name Class C
Trading Symbol CCGEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$111
2.15%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 111
Expense Ratio, Percent 2.15% [11]
AssetsNet $ 183,316,149
Holdings Count | Holding 73
InvestmentCompanyPortfolioTurnover 63.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$183,316,149
73
63%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.0
Industrials
15.7
Communication Services
9.3
Health Care
8.3
Consumer Discretionary
8.2
Financials
7.1
Energy
4.2
Utilities
3.3
Consumer Staples
3.3
Materials
2.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
7.0
Alphabet, Inc. - Class A
5.1
Taiwan Semiconductor Manufacturing Co. Ltd.
4.8
Amazon.com, Inc.
3.4
Samsung Electronics Co. Ltd.
3.2
GE Vernova, Inc.
3.1
Eli Lilly & Co.
2.4
TechnipFMC PLC
2.3
Lumentum Holdings, Inc.
2.2
Rolls-Royce Holdings PLC
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000043705  
Shareholder Report [Line Items]  
Fund Name Calamos Global Equity Fund
Class Name Class I
Trading Symbol CIGEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$59
1.15%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.15% [12]
AssetsNet $ 183,316,149
Holdings Count | Holding 73
InvestmentCompanyPortfolioTurnover 63.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$183,316,149
73
63%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.0
Industrials
15.7
Communication Services
9.3
Health Care
8.3
Consumer Discretionary
8.2
Financials
7.1
Energy
4.2
Utilities
3.3
Consumer Staples
3.3
Materials
2.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
7.0
Alphabet, Inc. - Class A
5.1
Taiwan Semiconductor Manufacturing Co. Ltd.
4.8
Amazon.com, Inc.
3.4
Samsung Electronics Co. Ltd.
3.2
GE Vernova, Inc.
3.1
Eli Lilly & Co.
2.4
TechnipFMC PLC
2.3
Lumentum Holdings, Inc.
2.2
Rolls-Royce Holdings PLC
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000220409  
Shareholder Report [Line Items]  
Fund Name Calamos Global Equity Fund
Class Name Class R6
Trading Symbol CGEOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class R6
$56
1.09%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.09% [13]
AssetsNet $ 183,316,149
Holdings Count | Holding 73
InvestmentCompanyPortfolioTurnover 63.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$183,316,149
73
63%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.0
Industrials
15.7
Communication Services
9.3
Health Care
8.3
Consumer Discretionary
8.2
Financials
7.1
Energy
4.2
Utilities
3.3
Consumer Staples
3.3
Materials
2.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
7.0
Alphabet, Inc. - Class A
5.1
Taiwan Semiconductor Manufacturing Co. Ltd.
4.8
Amazon.com, Inc.
3.4
Samsung Electronics Co. Ltd.
3.2
GE Vernova, Inc.
3.1
Eli Lilly & Co.
2.4
TechnipFMC PLC
2.3
Lumentum Holdings, Inc.
2.2
Rolls-Royce Holdings PLC
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011374  
Shareholder Report [Line Items]  
Fund Name Calamos Global Opportunities Fund
Class Name Class A
Trading Symbol CVLOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Opportunities Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$63
1.22%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.22% [14]
AssetsNet $ 350,123,966
Holdings Count | Holding 103
InvestmentCompanyPortfolioTurnover 66.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$350,123,966
103
66%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.4
Industrials
15.7
Financials
8.7
Health Care
8.7
Communication Services
8.3
Utilities
8.2
Consumer Discretionary
6.9
Energy
5.2
Consumer Staples
2.1
Materials
2.0
Real Estate
0.9
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
5.4
Alphabet, Inc. - Class A
5.1
Taiwan Semiconductor Manufacturing Co. Ltd.
4.4
Samsung Electronics Co. Ltd.
3.1
Boeing Co., 6.000%, 10/15/27
3.0
Amazon.com, Inc.
2.5
Iberdrola Finanzas SA, 1.500%, 03/27/30
2.1
GE Vernova, Inc.
2.1
Lumentum Holdings, Inc., 0.375%, 03/15/32
1.9
Intel Corp.
1.7
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011376  
Shareholder Report [Line Items]  
Fund Name Calamos Global Opportunities Fund
Class Name Class C
Trading Symbol CVLCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Opportunities Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$102
1.97%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 102
Expense Ratio, Percent 1.97% [15]
AssetsNet $ 350,123,966
Holdings Count | Holding 103
InvestmentCompanyPortfolioTurnover 66.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$350,123,966
103
66%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.4
Industrials
15.7
Financials
8.7
Health Care
8.7
Communication Services
8.3
Utilities
8.2
Consumer Discretionary
6.9
Energy
5.2
Consumer Staples
2.1
Materials
2.0
Real Estate
0.9
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
5.4
Alphabet, Inc. - Class A
5.1
Taiwan Semiconductor Manufacturing Co. Ltd.
4.4
Samsung Electronics Co. Ltd.
3.1
Boeing Co., 6.000%, 10/15/27
3.0
Amazon.com, Inc.
2.5
Iberdrola Finanzas SA, 1.500%, 03/27/30
2.1
GE Vernova, Inc.
2.1
Lumentum Holdings, Inc., 0.375%, 03/15/32
1.9
Intel Corp.
1.7
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011377  
Shareholder Report [Line Items]  
Fund Name Calamos Global Opportunities Fund
Class Name Class I
Trading Symbol CGCIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Global Opportunities Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$50
0.97%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 50
Expense Ratio, Percent 0.97% [16]
AssetsNet $ 350,123,966
Holdings Count | Holding 103
InvestmentCompanyPortfolioTurnover 66.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$350,123,966
103
66%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.4
Industrials
15.7
Financials
8.7
Health Care
8.7
Communication Services
8.3
Utilities
8.2
Consumer Discretionary
6.9
Energy
5.2
Consumer Staples
2.1
Materials
2.0
Real Estate
0.9
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
5.4
Alphabet, Inc. - Class A
5.1
Taiwan Semiconductor Manufacturing Co. Ltd.
4.4
Samsung Electronics Co. Ltd.
3.1
Boeing Co., 6.000%, 10/15/27
3.0
Amazon.com, Inc.
2.5
Iberdrola Finanzas SA, 1.500%, 03/27/30
2.1
GE Vernova, Inc.
2.1
Lumentum Holdings, Inc., 0.375%, 03/15/32
1.9
Intel Corp.
1.7
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011362  
Shareholder Report [Line Items]  
Fund Name Calamos Growth and Income Fund
Class Name Class A
Trading Symbol CVTRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Growth and Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$53
1.04%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.04% [17]
AssetsNet $ 3,369,576,754
Holdings Count | Holding 151
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$3,369,576,754
151
18%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
33.9
Industrials
10.6
Financials
10.2
Communication Services
10.0
Consumer Discretionary
9.6
Health Care
6.7
Consumer Staples
3.9
Energy
3.4
Utilities
3.0
Materials
2.7
Real Estate
1.6
Other
1.3
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
6.6
Alphabet, Inc. - Class A
5.8
Apple, Inc.
5.7
Amazon.com, Inc.
4.3
Microsoft Corp.
4.3
Broadcom, Inc.
3.1
Meta Platforms, Inc. - Class A
1.9
JPMorgan Chase & Co.
1.6
Tesla, Inc.
1.5
GE Vernova, Inc.
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011364  
Shareholder Report [Line Items]  
Fund Name Calamos Growth and Income Fund
Class Name Class C
Trading Symbol CVTCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Growth and Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$91
1.79%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 91
Expense Ratio, Percent 1.79% [18]
AssetsNet $ 3,369,576,754
Holdings Count | Holding 151
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$3,369,576,754
151
18%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
33.9
Industrials
10.6
Financials
10.2
Communication Services
10.0
Consumer Discretionary
9.6
Health Care
6.7
Consumer Staples
3.9
Energy
3.4
Utilities
3.0
Materials
2.7
Real Estate
1.6
Other
1.3
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
6.6
Alphabet, Inc. - Class A
5.8
Apple, Inc.
5.7
Amazon.com, Inc.
4.3
Microsoft Corp.
4.3
Broadcom, Inc.
3.1
Meta Platforms, Inc. - Class A
1.9
JPMorgan Chase & Co.
1.6
Tesla, Inc.
1.5
GE Vernova, Inc.
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011365  
Shareholder Report [Line Items]  
Fund Name Calamos Growth and Income Fund
Class Name Class I
Trading Symbol CGIIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Growth and Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$40
0.79%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79% [19]
AssetsNet $ 3,369,576,754
Holdings Count | Holding 151
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$3,369,576,754
151
18%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
33.9
Industrials
10.6
Financials
10.2
Communication Services
10.0
Consumer Discretionary
9.6
Health Care
6.7
Consumer Staples
3.9
Energy
3.4
Utilities
3.0
Materials
2.7
Real Estate
1.6
Other
1.3
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
6.6
Alphabet, Inc. - Class A
5.8
Apple, Inc.
5.7
Amazon.com, Inc.
4.3
Microsoft Corp.
4.3
Broadcom, Inc.
3.1
Meta Platforms, Inc. - Class A
1.9
JPMorgan Chase & Co.
1.6
Tesla, Inc.
1.5
GE Vernova, Inc.
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000220407  
Shareholder Report [Line Items]  
Fund Name Calamos Growth and Income Fund
Class Name Class R6
Trading Symbol CGIOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Growth and Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class R6
$37
0.72%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.72% [20]
AssetsNet $ 3,369,576,754
Holdings Count | Holding 151
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$3,369,576,754
151
18%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
33.9
Industrials
10.6
Financials
10.2
Communication Services
10.0
Consumer Discretionary
9.6
Health Care
6.7
Consumer Staples
3.9
Energy
3.4
Utilities
3.0
Materials
2.7
Real Estate
1.6
Other
1.3
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
6.6
Alphabet, Inc. - Class A
5.8
Apple, Inc.
5.7
Amazon.com, Inc.
4.3
Microsoft Corp.
4.3
Broadcom, Inc.
3.1
Meta Platforms, Inc. - Class A
1.9
JPMorgan Chase & Co.
1.6
Tesla, Inc.
1.5
GE Vernova, Inc.
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011370  
Shareholder Report [Line Items]  
Fund Name Calamos Growth Fund
Class Name Class A
Trading Symbol CVGRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$63
1.27%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.27% [21]
AssetsNet $ 1,705,619,838
Holdings Count | Holding 140
InvestmentCompanyPortfolioTurnover 34.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,705,619,838
140
34%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
47.0
Communication Services
15.5
Consumer Discretionary
14.6
Industrials
8.7
Health Care
6.4
Financials
5.5
Consumer Staples
1.2
Energy
0.2
Primary Investment
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
11.9
Alphabet, Inc. - Class A
9.4
Amazon.com, Inc.
7.9
Apple, Inc.
7.3
Microsoft Corp.
6.3
Broadcom, Inc.
5.4
Meta Platforms, Inc. - Class A
3.8
Visa, Inc. - Class A
3.0
Eli Lilly & Co.
2.2
Arista Networks, Inc.
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011372  
Shareholder Report [Line Items]  
Fund Name Calamos Growth Fund
Class Name Class C
Trading Symbol CVGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$101
2.02%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 101
Expense Ratio, Percent 2.02% [22]
AssetsNet $ 1,705,619,838
Holdings Count | Holding 140
InvestmentCompanyPortfolioTurnover 34.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,705,619,838
140
34%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
47.0
Communication Services
15.5
Consumer Discretionary
14.6
Industrials
8.7
Health Care
6.4
Financials
5.5
Consumer Staples
1.2
Energy
0.2
Primary Investment
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
11.9
Alphabet, Inc. - Class A
9.4
Amazon.com, Inc.
7.9
Apple, Inc.
7.3
Microsoft Corp.
6.3
Broadcom, Inc.
5.4
Meta Platforms, Inc. - Class A
3.8
Visa, Inc. - Class A
3.0
Eli Lilly & Co.
2.2
Arista Networks, Inc.
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011373  
Shareholder Report [Line Items]  
Fund Name Calamos Growth Fund
Class Name Class I
Trading Symbol CGRIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$51
1.02%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 1.02% [23]
AssetsNet $ 1,705,619,838
Holdings Count | Holding 140
InvestmentCompanyPortfolioTurnover 34.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,705,619,838
140
34%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
47.0
Communication Services
15.5
Consumer Discretionary
14.6
Industrials
8.7
Health Care
6.4
Financials
5.5
Consumer Staples
1.2
Energy
0.2
Primary Investment
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
11.9
Alphabet, Inc. - Class A
9.4
Amazon.com, Inc.
7.9
Apple, Inc.
7.3
Microsoft Corp.
6.3
Broadcom, Inc.
5.4
Meta Platforms, Inc. - Class A
3.8
Visa, Inc. - Class A
3.0
Eli Lilly & Co.
2.2
Arista Networks, Inc.
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000150500  
Shareholder Report [Line Items]  
Fund Name Calamos Hedged Equity Fund
Class Name Class A
Trading Symbol CAHEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Hedged Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$56
1.12%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.12% [24]
AssetsNet $ 840,824,111
Holdings Count | Holding 267
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$840,824,111
267
14%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
36.0
Financials
12.5
Communication Services
11.4
Consumer Discretionary
10.4
Industrials
9.0
Health Care
8.9
Consumer Staples
5.1
Energy
3.8
Other
3.6
Utilities
2.0
Real Estate
1.6
Materials
1.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
8.4
Apple, Inc.
6.7
Microsoft Corp.
5.2
Amazon.com, Inc.
4.3
Alphabet, Inc. - Class A
3.5
Alphabet, Inc. - Class C
3.5
Broadcom, Inc.
3.3
S&P 500® Index, Put, Strike Price $6,700, 06/17/27
2.9
Meta Platforms, Inc. - Class A
2.2
Tesla, Inc.
1.8
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000150501  
Shareholder Report [Line Items]  
Fund Name Calamos Hedged Equity Fund
Class Name Class C
Trading Symbol CCHEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Hedged Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$94
1.87%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 94
Expense Ratio, Percent 1.87% [25]
AssetsNet $ 840,824,111
Holdings Count | Holding 267
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$840,824,111
267
14%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
36.0
Financials
12.5
Communication Services
11.4
Consumer Discretionary
10.4
Industrials
9.0
Health Care
8.9
Consumer Staples
5.1
Energy
3.8
Other
3.6
Utilities
2.0
Real Estate
1.6
Materials
1.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
8.4
Apple, Inc.
6.7
Microsoft Corp.
5.2
Amazon.com, Inc.
4.3
Alphabet, Inc. - Class A
3.5
Alphabet, Inc. - Class C
3.5
Broadcom, Inc.
3.3
S&P 500® Index, Put, Strike Price $6,700, 06/17/27
2.9
Meta Platforms, Inc. - Class A
2.2
Tesla, Inc.
1.8
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000150502  
Shareholder Report [Line Items]  
Fund Name Calamos Hedged Equity Fund
Class Name Class I
Trading Symbol CIHEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Hedged Equity Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$44
0.87%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.87% [26]
AssetsNet $ 840,824,111
Holdings Count | Holding 267
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$840,824,111
267
14%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
36.0
Financials
12.5
Communication Services
11.4
Consumer Discretionary
10.4
Industrials
9.0
Health Care
8.9
Consumer Staples
5.1
Energy
3.8
Other
3.6
Utilities
2.0
Real Estate
1.6
Materials
1.6
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
8.4
Apple, Inc.
6.7
Microsoft Corp.
5.2
Amazon.com, Inc.
4.3
Alphabet, Inc. - Class A
3.5
Alphabet, Inc. - Class C
3.5
Broadcom, Inc.
3.3
S&P 500® Index, Put, Strike Price $6,700, 06/17/27
2.9
Meta Platforms, Inc. - Class A
2.2
Tesla, Inc.
1.8
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011346  
Shareholder Report [Line Items]  
Fund Name Calamos High Income Opportunities Fund
Class Name Class A
Trading Symbol CHYDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos High Income Opportunities Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$50
1.00%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 50
Expense Ratio, Percent 1.00% [27]
AssetsNet $ 22,795,347
Holdings Count | Holding 452
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$22,795,347
452
24%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Consumer Discretionary
18.1
Financials
14.4
Energy
12.4
Communication Services
10.0
Industrials
8.2
Consumer Staples
8.1
Materials
5.3
Health Care
4.9
Information Technology
4.3
Other
2.5
Utilities
1.6
Airlines
1.2
Special Purpose Acquisition Companies
0.5
Real Estate
0.5
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Ford Motor Co., 6.100%, 08/19/32
1.0
Organon & Co./Organon Foreign Debt Co-Issuer BV, 5.125%, 04/30/31
0.9
Bausch Health Cos., Inc., 9.902%, 10/08/30
0.8
EchoStar Corp., 10.750%, 11/30/29
0.7
AerCap Ireland Capital DAC/AerCap Global Aviation Trust, 6.500%, 01/31/56
0.7
Amneal Pharmaceuticals LLC, 6.652%, 08/01/32
0.6
Par Petroleum LLC, 6.933%, 02/28/30
0.6
CSC Holdings LLC, 4.500%, 11/15/31
0.6
Dragon Buyer, Inc., 6.450%, 09/30/31
0.5
Star Parent, Inc., 7.700%, 09/27/30
0.5
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011348  
Shareholder Report [Line Items]  
Fund Name Calamos High Income Opportunities Fund
Class Name Class C
Trading Symbol CCHYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos High Income Opportunities Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$88
1.75%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 88
Expense Ratio, Percent 1.75% [28]
AssetsNet $ 22,795,347
Holdings Count | Holding 452
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$22,795,347
452
24%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Consumer Discretionary
18.1
Financials
14.4
Energy
12.4
Communication Services
10.0
Industrials
8.2
Consumer Staples
8.1
Materials
5.3
Health Care
4.9
Information Technology
4.3
Other
2.5
Utilities
1.6
Airlines
1.2
Special Purpose Acquisition Companies
0.5
Real Estate
0.5
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Ford Motor Co., 6.100%, 08/19/32
1.0
Organon & Co./Organon Foreign Debt Co-Issuer BV, 5.125%, 04/30/31
0.9
Bausch Health Cos., Inc., 9.902%, 10/08/30
0.8
EchoStar Corp., 10.750%, 11/30/29
0.7
AerCap Ireland Capital DAC/AerCap Global Aviation Trust, 6.500%, 01/31/56
0.7
Amneal Pharmaceuticals LLC, 6.652%, 08/01/32
0.6
Par Petroleum LLC, 6.933%, 02/28/30
0.6
CSC Holdings LLC, 4.500%, 11/15/31
0.6
Dragon Buyer, Inc., 6.450%, 09/30/31
0.5
Star Parent, Inc., 7.700%, 09/27/30
0.5
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011349  
Shareholder Report [Line Items]  
Fund Name Calamos High Income Opportunities Fund
Class Name Class I
Trading Symbol CIHYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos High Income Opportunities Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$38
0.75%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.75% [29]
AssetsNet $ 22,795,347
Holdings Count | Holding 452
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$22,795,347
452
24%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Consumer Discretionary
18.1
Financials
14.4
Energy
12.4
Communication Services
10.0
Industrials
8.2
Consumer Staples
8.1
Materials
5.3
Health Care
4.9
Information Technology
4.3
Other
2.5
Utilities
1.6
Airlines
1.2
Special Purpose Acquisition Companies
0.5
Real Estate
0.5
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Ford Motor Co., 6.100%, 08/19/32
1.0
Organon & Co./Organon Foreign Debt Co-Issuer BV, 5.125%, 04/30/31
0.9
Bausch Health Cos., Inc., 9.902%, 10/08/30
0.8
EchoStar Corp., 10.750%, 11/30/29
0.7
AerCap Ireland Capital DAC/AerCap Global Aviation Trust, 6.500%, 01/31/56
0.7
Amneal Pharmaceuticals LLC, 6.652%, 08/01/32
0.6
Par Petroleum LLC, 6.933%, 02/28/30
0.6
CSC Holdings LLC, 4.500%, 11/15/31
0.6
Dragon Buyer, Inc., 6.450%, 09/30/31
0.5
Star Parent, Inc., 7.700%, 09/27/30
0.5
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011378  
Shareholder Report [Line Items]  
Fund Name Calamos International Growth Fund
Class Name Class A
Trading Symbol CIGRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$64
1.20%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 64
Expense Ratio, Percent 1.20% [30]
AssetsNet $ 313,225,352
Holdings Count | Holding 87
InvestmentCompanyPortfolioTurnover 81.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$313,225,352
87
81%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
37.2
Industrials
26.2
Financials
13.0
Consumer Discretionary
6.1
Communication Services
5.8
Health Care
5.2
Materials
3.9
Utilities
2.7
Energy
2.1
Consumer Staples
1.0
Real Estate
0.9
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.
6.8
Siemens Energy AG
3.3
Hyundai Motor Co.
3.1
Rolls-Royce Holdings PLC
2.7
ASML Holding NV
2.6
Hyosung Heavy Industries Corp.
2.5
Fujikura Ltd.
2.5
SK Hynix, Inc.
2.5
UniCredit SpA
2.4
Kioxia Holdings Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011380  
Shareholder Report [Line Items]  
Fund Name Calamos International Growth Fund
Class Name Class C
Trading Symbol CIGCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$104
1.95%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 104
Expense Ratio, Percent 1.95% [31]
AssetsNet $ 313,225,352
Holdings Count | Holding 87
InvestmentCompanyPortfolioTurnover 81.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$313,225,352
87
81%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
37.2
Industrials
26.2
Financials
13.0
Consumer Discretionary
6.1
Communication Services
5.8
Health Care
5.2
Materials
3.9
Utilities
2.7
Energy
2.1
Consumer Staples
1.0
Real Estate
0.9
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.
6.8
Siemens Energy AG
3.3
Hyundai Motor Co.
3.1
Rolls-Royce Holdings PLC
2.7
ASML Holding NV
2.6
Hyosung Heavy Industries Corp.
2.5
Fujikura Ltd.
2.5
SK Hynix, Inc.
2.5
UniCredit SpA
2.4
Kioxia Holdings Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011381  
Shareholder Report [Line Items]  
Fund Name Calamos International Growth Fund
Class Name Class I
Trading Symbol CIGIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$51
0.95%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.95% [32]
AssetsNet $ 313,225,352
Holdings Count | Holding 87
InvestmentCompanyPortfolioTurnover 81.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$313,225,352
87
81%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
37.2
Industrials
26.2
Financials
13.0
Consumer Discretionary
6.1
Communication Services
5.8
Health Care
5.2
Materials
3.9
Utilities
2.7
Energy
2.1
Consumer Staples
1.0
Real Estate
0.9
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.
6.8
Siemens Energy AG
3.3
Hyundai Motor Co.
3.1
Rolls-Royce Holdings PLC
2.7
ASML Holding NV
2.6
Hyosung Heavy Industries Corp.
2.5
Fujikura Ltd.
2.5
SK Hynix, Inc.
2.5
UniCredit SpA
2.4
Kioxia Holdings Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000204888  
Shareholder Report [Line Items]  
Fund Name Calamos International Growth Fund
Class Name Class R6
Trading Symbol CIGOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class R6
$43
0.81%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.81% [33]
AssetsNet $ 313,225,352
Holdings Count | Holding 87
InvestmentCompanyPortfolioTurnover 81.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$313,225,352
87
81%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
37.2
Industrials
26.2
Financials
13.0
Consumer Discretionary
6.1
Communication Services
5.8
Health Care
5.2
Materials
3.9
Utilities
2.7
Energy
2.1
Consumer Staples
1.0
Real Estate
0.9
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Taiwan Semiconductor Manufacturing Co. Ltd.
6.8
Siemens Energy AG
3.3
Hyundai Motor Co.
3.1
Rolls-Royce Holdings PLC
2.7
ASML Holding NV
2.6
Hyosung Heavy Industries Corp.
2.5
Fujikura Ltd.
2.5
SK Hynix, Inc.
2.5
UniCredit SpA
2.4
Kioxia Holdings Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000234923  
Shareholder Report [Line Items]  
Fund Name Calamos International Small Cap Growth Fund
Class Name Class A
Trading Symbol CAISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$73
1.35%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 73
Expense Ratio, Percent 1.35% [34]
AssetsNet $ 13,538,964
Holdings Count | Holding 75
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$13,538,964
75
75%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
30.6
Industrials
26.4
Financials
10.9
Communication Services
7.0
Consumer Discretionary
6.3
Materials
5.6
Energy
3.1
Health Care
2.3
Utilities
2.1
Consumer Staples
1.9
Real Estate
1.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Hyosung Heavy Industries Corp.
3.6
LandMark Optoelectronics Corp.
3.0
Exosens SAS
2.6
Kandenko Co. Ltd.
2.6
Ibiden Co. Ltd.
2.5
AEM Holdings Ltd.
2.5
ASPEED Technology, Inc.
2.5
Millicom International Cellular SA
2.4
Harmonic Drive Systems, Inc.
2.2
CES Energy Solutions Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000234922  
Shareholder Report [Line Items]  
Fund Name Calamos International Small Cap Growth Fund
Class Name Class C
Trading Symbol CCISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$114
2.10%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 114
Expense Ratio, Percent 2.10% [35]
AssetsNet $ 13,538,964
Holdings Count | Holding 75
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$13,538,964
75
75%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
30.6
Industrials
26.4
Financials
10.9
Communication Services
7.0
Consumer Discretionary
6.3
Materials
5.6
Energy
3.1
Health Care
2.3
Utilities
2.1
Consumer Staples
1.9
Real Estate
1.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Hyosung Heavy Industries Corp.
3.6
LandMark Optoelectronics Corp.
3.0
Exosens SAS
2.6
Kandenko Co. Ltd.
2.6
Ibiden Co. Ltd.
2.5
AEM Holdings Ltd.
2.5
ASPEED Technology, Inc.
2.5
Millicom International Cellular SA
2.4
Harmonic Drive Systems, Inc.
2.2
CES Energy Solutions Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000234924  
Shareholder Report [Line Items]  
Fund Name Calamos International Small Cap Growth Fund
Class Name Class I
Trading Symbol CSGIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$60
1.10%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.10% [36]
AssetsNet $ 13,538,964
Holdings Count | Holding 75
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$13,538,964
75
75%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
30.6
Industrials
26.4
Financials
10.9
Communication Services
7.0
Consumer Discretionary
6.3
Materials
5.6
Energy
3.1
Health Care
2.3
Utilities
2.1
Consumer Staples
1.9
Real Estate
1.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Hyosung Heavy Industries Corp.
3.6
LandMark Optoelectronics Corp.
3.0
Exosens SAS
2.6
Kandenko Co. Ltd.
2.6
Ibiden Co. Ltd.
2.5
AEM Holdings Ltd.
2.5
ASPEED Technology, Inc.
2.5
Millicom International Cellular SA
2.4
Harmonic Drive Systems, Inc.
2.2
CES Energy Solutions Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000234925  
Shareholder Report [Line Items]  
Fund Name Calamos International Small Cap Growth Fund
Class Name Class R6
Trading Symbol CISOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos International Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class R6
$51
0.94%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.94% [37]
AssetsNet $ 13,538,964
Holdings Count | Holding 75
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$13,538,964
75
75%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
30.6
Industrials
26.4
Financials
10.9
Communication Services
7.0
Consumer Discretionary
6.3
Materials
5.6
Energy
3.1
Health Care
2.3
Utilities
2.1
Consumer Staples
1.9
Real Estate
1.1
Other
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Hyosung Heavy Industries Corp.
3.6
LandMark Optoelectronics Corp.
3.0
Exosens SAS
2.6
Kandenko Co. Ltd.
2.6
Ibiden Co. Ltd.
2.5
AEM Holdings Ltd.
2.5
ASPEED Technology, Inc.
2.5
Millicom International Cellular SA
2.4
Harmonic Drive Systems, Inc.
2.2
CES Energy Solutions Corp.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011366  
Shareholder Report [Line Items]  
Fund Name Calamos Market Neutral Income Fund
Class Name Class A
Trading Symbol CVSIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Market Neutral Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$62
1.24%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.24% [38]
AssetsNet $ 17,650,197,311
Holdings Count | Holding 1,043
InvestmentCompanyPortfolioTurnover 20.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$17,650,197,311
1,043
20%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
36.1
Consumer Discretionary
11.7
Financials
10.4
Communication Services
9.7
Industrials
8.5
Health Care
8.3
Utilities
7.5
Consumer Staples
3.9
Other
3.8
Energy
3.0
Materials
1.9
Real Estate
1.5
Special Purpose Acquisition Companies
0.6
Communications
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
4.8
Apple, Inc.
3.9
Microsoft Corp.
3.0
Western Digital Corp., 3.000%, 11/15/28
2.6
Amazon.com, Inc.
2.5
Alphabet, Inc. - Class C
2.0
Alphabet, Inc. - Class A
1.9
Calamos Short-Term Bond Fund - Class I
1.9
Broadcom, Inc.
1.9
Alibaba Group Holding Ltd., 0.500%, 06/01/31
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011368  
Shareholder Report [Line Items]  
Fund Name Calamos Market Neutral Income Fund
Class Name Class C
Trading Symbol CVSCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Market Neutral Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$100
1.99%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 100
Expense Ratio, Percent 1.99% [39]
AssetsNet $ 17,650,197,311
Holdings Count | Holding 1,043
InvestmentCompanyPortfolioTurnover 20.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$17,650,197,311
1,043
20%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
36.1
Consumer Discretionary
11.7
Financials
10.4
Communication Services
9.7
Industrials
8.5
Health Care
8.3
Utilities
7.5
Consumer Staples
3.9
Other
3.8
Energy
3.0
Materials
1.9
Real Estate
1.5
Special Purpose Acquisition Companies
0.6
Communications
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
4.8
Apple, Inc.
3.9
Microsoft Corp.
3.0
Western Digital Corp., 3.000%, 11/15/28
2.6
Amazon.com, Inc.
2.5
Alphabet, Inc. - Class C
2.0
Alphabet, Inc. - Class A
1.9
Calamos Short-Term Bond Fund - Class I
1.9
Broadcom, Inc.
1.9
Alibaba Group Holding Ltd., 0.500%, 06/01/31
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011369  
Shareholder Report [Line Items]  
Fund Name Calamos Market Neutral Income Fund
Class Name Class I
Trading Symbol CMNIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Market Neutral Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$50
0.99%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 50
Expense Ratio, Percent 0.99% [40]
AssetsNet $ 17,650,197,311
Holdings Count | Holding 1,043
InvestmentCompanyPortfolioTurnover 20.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$17,650,197,311
1,043
20%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
36.1
Consumer Discretionary
11.7
Financials
10.4
Communication Services
9.7
Industrials
8.5
Health Care
8.3
Utilities
7.5
Consumer Staples
3.9
Other
3.8
Energy
3.0
Materials
1.9
Real Estate
1.5
Special Purpose Acquisition Companies
0.6
Communications
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
4.8
Apple, Inc.
3.9
Microsoft Corp.
3.0
Western Digital Corp., 3.000%, 11/15/28
2.6
Amazon.com, Inc.
2.5
Alphabet, Inc. - Class C
2.0
Alphabet, Inc. - Class A
1.9
Calamos Short-Term Bond Fund - Class I
1.9
Broadcom, Inc.
1.9
Alibaba Group Holding Ltd., 0.500%, 06/01/31
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000220408  
Shareholder Report [Line Items]  
Fund Name Calamos Market Neutral Income Fund
Class Name Class R6
Trading Symbol CVSOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Market Neutral Income Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class R6
$46
0.91%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.91% [41]
AssetsNet $ 17,650,197,311
Holdings Count | Holding 1,043
InvestmentCompanyPortfolioTurnover 20.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$17,650,197,311
1,043
20%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
36.1
Consumer Discretionary
11.7
Financials
10.4
Communication Services
9.7
Industrials
8.5
Health Care
8.3
Utilities
7.5
Consumer Staples
3.9
Other
3.8
Energy
3.0
Materials
1.9
Real Estate
1.5
Special Purpose Acquisition Companies
0.6
Communications
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
NVIDIA Corp.
4.8
Apple, Inc.
3.9
Microsoft Corp.
3.0
Western Digital Corp., 3.000%, 11/15/28
2.6
Amazon.com, Inc.
2.5
Alphabet, Inc. - Class C
2.0
Alphabet, Inc. - Class A
1.9
Calamos Short-Term Bond Fund - Class I
1.9
Broadcom, Inc.
1.9
Alibaba Group Holding Ltd., 0.500%, 06/01/31
1.4
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000243951  
Shareholder Report [Line Items]  
Fund Name Calamos Merger Arbitrage Fund
Class Name Class A
Trading Symbol CMRAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Merger Arbitrage Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$92
1.82%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 92
Expense Ratio, Percent 1.82% [42]
AssetsNet $ 2,472,916
Holdings Count | Holding 47
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$2,472,916
47
75%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
20.1
Communication Services
16.2
Utilities
12.1
Financials
11.9
Special Purpose Acquisition Companies
10.2
Consumer Staples
10.1
Industrials
8.3
Health Care
4.8
Materials
2.9
Consumer Discretionary
2.9
Other
0.7
Real Estate
0.7
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Norfolk Southern Corp.
8.3
Kenvue, Inc.
7.6
Electronic Arts, Inc.
6.7
TXNM Energy, Inc., 5.750%, 06/01/54
6.2
AES Corp.
5.9
FutureTech II Acquisition Corp. - Class A
5.9
Warner Bros Discovery, Inc.
5.0
Global Payments, Inc., 1.500%, 03/01/31
4.8
Brighthouse Financial, Inc.
4.5
Clearwater Analytics Holdings, Inc. - Class A
4.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000243950  
Shareholder Report [Line Items]  
Fund Name Calamos Merger Arbitrage Fund
Class Name Class C
Trading Symbol CMRCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Merger Arbitrage Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$129
2.57%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 129
Expense Ratio, Percent 2.57% [43]
AssetsNet $ 2,472,916
Holdings Count | Holding 47
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$2,472,916
47
75%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
20.1
Communication Services
16.2
Utilities
12.1
Financials
11.9
Special Purpose Acquisition Companies
10.2
Consumer Staples
10.1
Industrials
8.3
Health Care
4.8
Materials
2.9
Consumer Discretionary
2.9
Other
0.7
Real Estate
0.7
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Norfolk Southern Corp.
8.3
Kenvue, Inc.
7.6
Electronic Arts, Inc.
6.7
TXNM Energy, Inc., 5.750%, 06/01/54
6.2
AES Corp.
5.9
FutureTech II Acquisition Corp. - Class A
5.9
Warner Bros Discovery, Inc.
5.0
Global Payments, Inc., 1.500%, 03/01/31
4.8
Brighthouse Financial, Inc.
4.5
Clearwater Analytics Holdings, Inc. - Class A
4.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000243949  
Shareholder Report [Line Items]  
Fund Name Calamos Merger Arbitrage Fund
Class Name Class I
Trading Symbol CMRGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Merger Arbitrage Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$80
1.58%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 80
Expense Ratio, Percent 1.58% [44]
AssetsNet $ 2,472,916
Holdings Count | Holding 47
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$2,472,916
47
75%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
20.1
Communication Services
16.2
Utilities
12.1
Financials
11.9
Special Purpose Acquisition Companies
10.2
Consumer Staples
10.1
Industrials
8.3
Health Care
4.8
Materials
2.9
Consumer Discretionary
2.9
Other
0.7
Real Estate
0.7
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Norfolk Southern Corp.
8.3
Kenvue, Inc.
7.6
Electronic Arts, Inc.
6.7
TXNM Energy, Inc., 5.750%, 06/01/54
6.2
AES Corp.
5.9
FutureTech II Acquisition Corp. - Class A
5.9
Warner Bros Discovery, Inc.
5.0
Global Payments, Inc., 1.500%, 03/01/31
4.8
Brighthouse Financial, Inc.
4.5
Clearwater Analytics Holdings, Inc. - Class A
4.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000165048  
Shareholder Report [Line Items]  
Fund Name Calamos Phineus Long/Short Fund
Class Name Class A
Trading Symbol CPLSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Phineus Long/Short Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$117
2.35%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 117
Expense Ratio, Percent 2.35% [45]
AssetsNet $ 1,099,731,549
Holdings Count | Holding 65
InvestmentCompanyPortfolioTurnover 213.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,099,731,549
65
213%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Industrials
37.6
Information Technology
25.0
Consumer Discretionary
14.6
Financials
8.9
Materials
5.4
Communication Services
4.9
Energy
2.2
Health Care
1.1
Other
0.3
Domestic Commodity
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Amazon.com, Inc.
6.4
Broadcom, Inc.
5.6
Microsoft Corp.
4.5
NVIDIA Corp.
4.4
Boeing Co.
4.1
Morgan Stanley
3.9
Union Pacific Corp.
3.7
United Airlines Holdings, Inc.
3.6
Wells Fargo & Co.
3.3
DR Horton, Inc.
3.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000165049  
Shareholder Report [Line Items]  
Fund Name Calamos Phineus Long/Short Fund
Class Name Class C
Trading Symbol CPCLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Phineus Long/Short Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$154
3.11%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 154
Expense Ratio, Percent 3.11% [46]
AssetsNet $ 1,099,731,549
Holdings Count | Holding 65
InvestmentCompanyPortfolioTurnover 213.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,099,731,549
65
213%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Industrials
37.6
Information Technology
25.0
Consumer Discretionary
14.6
Financials
8.9
Materials
5.4
Communication Services
4.9
Energy
2.2
Health Care
1.1
Other
0.3
Domestic Commodity
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Amazon.com, Inc.
6.4
Broadcom, Inc.
5.6
Microsoft Corp.
4.5
NVIDIA Corp.
4.4
Boeing Co.
4.1
Morgan Stanley
3.9
Union Pacific Corp.
3.7
United Airlines Holdings, Inc.
3.6
Wells Fargo & Co.
3.3
DR Horton, Inc.
3.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000165050  
Shareholder Report [Line Items]  
Fund Name Calamos Phineus Long/Short Fund
Class Name Class I
Trading Symbol CPLIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Phineus Long/Short Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$104
2.10%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 104
Expense Ratio, Percent 2.10% [47]
AssetsNet $ 1,099,731,549
Holdings Count | Holding 65
InvestmentCompanyPortfolioTurnover 213.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$1,099,731,549
65
213%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Industrials
37.6
Information Technology
25.0
Consumer Discretionary
14.6
Financials
8.9
Materials
5.4
Communication Services
4.9
Energy
2.2
Health Care
1.1
Other
0.3
Domestic Commodity
0.1
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Amazon.com, Inc.
6.4
Broadcom, Inc.
5.6
Microsoft Corp.
4.5
NVIDIA Corp.
4.4
Boeing Co.
4.1
Morgan Stanley
3.9
Union Pacific Corp.
3.7
United Airlines Holdings, Inc.
3.6
Wells Fargo & Co.
3.3
DR Horton, Inc.
3.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011350  
Shareholder Report [Line Items]  
Fund Name Calamos Select Fund
Class Name Class A
Trading Symbol CVAAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Select Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$57
1.15%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 57
Expense Ratio, Percent 1.15% [48]
AssetsNet $ 61,524,823
Holdings Count | Holding 51
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$61,524,823
51
18%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
33.3
Communication Services
14.1
Consumer Discretionary
12.4
Financials
10.0
Industrials
9.5
Health Care
8.1
Consumer Staples
2.6
Materials
2.3
Energy
2.2
Utilities
1.9
Real Estate
1.8
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Alphabet, Inc. - Class A
9.1
NVIDIA Corp.
7.7
Apple, Inc.
6.7
Amazon.com, Inc.
6.4
Microsoft Corp.
5.0
Broadcom, Inc.
4.4
Meta Platforms, Inc. - Class A
2.7
Chevron Corp.
2.2
Visa, Inc. - Class A
2.1
Johnson & Johnson
2.0
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011352  
Shareholder Report [Line Items]  
Fund Name Calamos Select Fund
Class Name Class C
Trading Symbol CVACX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Select Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$95
1.90%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 95
Expense Ratio, Percent 1.90% [49]
AssetsNet $ 61,524,823
Holdings Count | Holding 51
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$61,524,823
51
18%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
33.3
Communication Services
14.1
Consumer Discretionary
12.4
Financials
10.0
Industrials
9.5
Health Care
8.1
Consumer Staples
2.6
Materials
2.3
Energy
2.2
Utilities
1.9
Real Estate
1.8
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Alphabet, Inc. - Class A
9.1
NVIDIA Corp.
7.7
Apple, Inc.
6.7
Amazon.com, Inc.
6.4
Microsoft Corp.
5.0
Broadcom, Inc.
4.4
Meta Platforms, Inc. - Class A
2.7
Chevron Corp.
2.2
Visa, Inc. - Class A
2.1
Johnson & Johnson
2.0
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000011353  
Shareholder Report [Line Items]  
Fund Name Calamos Select Fund
Class Name Class I
Trading Symbol CVAIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Select Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$45
0.90%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.90% [50]
AssetsNet $ 61,524,823
Holdings Count | Holding 51
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$61,524,823
51
18%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
33.3
Communication Services
14.1
Consumer Discretionary
12.4
Financials
10.0
Industrials
9.5
Health Care
8.1
Consumer Staples
2.6
Materials
2.3
Energy
2.2
Utilities
1.9
Real Estate
1.8
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Alphabet, Inc. - Class A
9.1
NVIDIA Corp.
7.7
Apple, Inc.
6.7
Amazon.com, Inc.
6.4
Microsoft Corp.
5.0
Broadcom, Inc.
4.4
Meta Platforms, Inc. - Class A
2.7
Chevron Corp.
2.2
Visa, Inc. - Class A
2.1
Johnson & Johnson
2.0
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000204432  
Shareholder Report [Line Items]  
Fund Name Calamos Short-Term Bond Fund
Class Name Class A
Trading Symbol CSTBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Short-Term Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$31
0.63%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.63% [51]
AssetsNet $ 415,261,368
Holdings Count | Holding 473
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$415,261,368
473
18%
Holdings [Text Block]
Table Summary
ASSET ALLOCATION
% OF NET ASSETS
Corporate Bonds
57.1
Asset Backed Securities
21.8
Bank Loans
8.9
U.S. Government and Agency Securities
5.3
Municipal Obligations
2.6
Sovereign Bonds
1.4
Residential Mortgage Backed Securities
0.4
Convertible Bonds
0.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
U.S. Treasury Notes, 4.250%, 02/28/29
1.5
U.S. Treasury Notes, 4.250%, 01/31/30
1.2
Federal National Mortgage Association, 3.500%, 05/01/35
0.8
Alloya Auto Receivables Trust - Class A3, Series 2025-1A, 4.690%, 12/26/28
0.7
U.S. Treasury Notes, 3.375%, 09/15/28
0.7
U.S. Treasury Notes, 3.500%, 09/30/29
0.7
Avis Budget Rental Car Funding AESOP LLC - Class A, Series 2023-3A, 5.440%, 02/22/28
0.5
SoFi Consumer Loan Program Trust - Class B, Series 2025-1, 5.120%, 02/27/34
0.5
American Express Credit Account Master Trust - Class A, Series 2024-2, 5.240%, 04/15/31
0.5
SCCU Auto Receivables Trust - Class B, Series 2023-1A, 6.080%, 11/15/29
0.5
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000204433  
Shareholder Report [Line Items]  
Fund Name Calamos Short-Term Bond Fund
Class Name Class I
Trading Symbol CSTIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Short-Term Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$19
0.38%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 19
Expense Ratio, Percent 0.38% [52]
AssetsNet $ 415,261,368
Holdings Count | Holding 473
InvestmentCompanyPortfolioTurnover 18.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$415,261,368
473
18%
Holdings [Text Block]
Table Summary
ASSET ALLOCATION
% OF NET ASSETS
Corporate Bonds
57.1
Asset Backed Securities
21.8
Bank Loans
8.9
U.S. Government and Agency Securities
5.3
Municipal Obligations
2.6
Sovereign Bonds
1.4
Residential Mortgage Backed Securities
0.4
Convertible Bonds
0.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
U.S. Treasury Notes, 4.250%, 02/28/29
1.5
U.S. Treasury Notes, 4.250%, 01/31/30
1.2
Federal National Mortgage Association, 3.500%, 05/01/35
0.8
Alloya Auto Receivables Trust - Class A3, Series 2025-1A, 4.690%, 12/26/28
0.7
U.S. Treasury Notes, 3.375%, 09/15/28
0.7
U.S. Treasury Notes, 3.500%, 09/30/29
0.7
Avis Budget Rental Car Funding AESOP LLC - Class A, Series 2023-3A, 5.440%, 02/22/28
0.5
SoFi Consumer Loan Program Trust - Class B, Series 2025-1, 5.120%, 02/27/34
0.5
American Express Credit Account Master Trust - Class A, Series 2024-2, 5.240%, 04/15/31
0.5
SCCU Auto Receivables Trust - Class B, Series 2023-1A, 6.080%, 11/15/29
0.5
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000211098  
Shareholder Report [Line Items]  
Fund Name Calamos Timpani Small Cap Growth Fund
Class Name Class A
Trading Symbol CTASX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Timpani Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$71
1.29%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.29% [53]
AssetsNet $ 742,826,978
Holdings Count | Holding 98
InvestmentCompanyPortfolioTurnover 105.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$742,826,978
98
105%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.5
Industrials
27.5
Health Care
14.2
Consumer Discretionary
9.6
Financials
7.0
Energy
2.5
Consumer Staples
2.1
Materials
1.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Lumentum Holdings, Inc.
5.0
Dave, Inc.
3.0
Ciena Corp.
2.8
Rush Street Interactive, Inc.
2.7
SiTime Corp.
2.7
NPK International, Inc.
2.6
Diodes, Inc.
2.5
Amprius Technologies, Inc.
2.5
Viavi Solutions, Inc.
2.2
Mama's Creations, Inc.
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000228743  
Shareholder Report [Line Items]  
Fund Name Calamos Timpani Small Cap Growth Fund
Class Name Class C
Trading Symbol CTCSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Timpani Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$112
2.04%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 112
Expense Ratio, Percent 2.04% [54]
AssetsNet $ 742,826,978
Holdings Count | Holding 98
InvestmentCompanyPortfolioTurnover 105.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$742,826,978
98
105%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.5
Industrials
27.5
Health Care
14.2
Consumer Discretionary
9.6
Financials
7.0
Energy
2.5
Consumer Staples
2.1
Materials
1.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Lumentum Holdings, Inc.
5.0
Dave, Inc.
3.0
Ciena Corp.
2.8
Rush Street Interactive, Inc.
2.7
SiTime Corp.
2.7
NPK International, Inc.
2.6
Diodes, Inc.
2.5
Amprius Technologies, Inc.
2.5
Viavi Solutions, Inc.
2.2
Mama's Creations, Inc.
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000211096  
Shareholder Report [Line Items]  
Fund Name Calamos Timpani Small Cap Growth Fund
Class Name Class I
Trading Symbol CTSIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Timpani Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$57
1.04%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 57
Expense Ratio, Percent 1.04% [55]
AssetsNet $ 742,826,978
Holdings Count | Holding 98
InvestmentCompanyPortfolioTurnover 105.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$742,826,978
98
105%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.5
Industrials
27.5
Health Care
14.2
Consumer Discretionary
9.6
Financials
7.0
Energy
2.5
Consumer Staples
2.1
Materials
1.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Lumentum Holdings, Inc.
5.0
Dave, Inc.
3.0
Ciena Corp.
2.8
Rush Street Interactive, Inc.
2.7
SiTime Corp.
2.7
NPK International, Inc.
2.6
Diodes, Inc.
2.5
Amprius Technologies, Inc.
2.5
Viavi Solutions, Inc.
2.2
Mama's Creations, Inc.
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000211097  
Shareholder Report [Line Items]  
Fund Name Calamos Timpani Small Cap Growth Fund
Class Name Class R6
Trading Symbol CTSOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Timpani Small Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class R6
$52
0.94%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 0.94% [56]
AssetsNet $ 742,826,978
Holdings Count | Holding 98
InvestmentCompanyPortfolioTurnover 105.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$742,826,978
98
105%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
35.5
Industrials
27.5
Health Care
14.2
Consumer Discretionary
9.6
Financials
7.0
Energy
2.5
Consumer Staples
2.1
Materials
1.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Lumentum Holdings, Inc.
5.0
Dave, Inc.
3.0
Ciena Corp.
2.8
Rush Street Interactive, Inc.
2.7
SiTime Corp.
2.7
NPK International, Inc.
2.6
Diodes, Inc.
2.5
Amprius Technologies, Inc.
2.5
Viavi Solutions, Inc.
2.2
Mama's Creations, Inc.
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000213161  
Shareholder Report [Line Items]  
Fund Name Calamos Timpani SMID Growth Fund
Class Name Class A
Trading Symbol CTAGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Timpani SMID Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$74
1.35%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 74
Expense Ratio, Percent 1.35% [57]
AssetsNet $ 48,858,165
Holdings Count | Holding 91
InvestmentCompanyPortfolioTurnover 98.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$48,858,165
91
98%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.1
Industrials
29.6
Health Care
13.8
Consumer Discretionary
11.9
Financials
7.3
Consumer Staples
1.2
Energy
1.2
Communication Services
0.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Lumentum Holdings, Inc.
5.0
Ciena Corp.
3.4
Monolithic Power Systems, Inc.
2.9
Dave, Inc.
2.8
Rush Street Interactive, Inc.
2.6
SiTime Corp.
2.4
Amprius Technologies, Inc.
2.4
XPO, Inc.
2.3
Five Below, Inc.
2.3
MasTec, Inc.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000213162  
Shareholder Report [Line Items]  
Fund Name Calamos Timpani SMID Growth Fund
Class Name Class I
Trading Symbol CTIGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Timpani SMID Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$60
1.10%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.10% [58]
AssetsNet $ 48,858,165
Holdings Count | Holding 91
InvestmentCompanyPortfolioTurnover 98.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$48,858,165
91
98%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.1
Industrials
29.6
Health Care
13.8
Consumer Discretionary
11.9
Financials
7.3
Consumer Staples
1.2
Energy
1.2
Communication Services
0.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Lumentum Holdings, Inc.
5.0
Ciena Corp.
3.4
Monolithic Power Systems, Inc.
2.9
Dave, Inc.
2.8
Rush Street Interactive, Inc.
2.6
SiTime Corp.
2.4
Amprius Technologies, Inc.
2.4
XPO, Inc.
2.3
Five Below, Inc.
2.3
MasTec, Inc.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000213160  
Shareholder Report [Line Items]  
Fund Name Calamos Timpani SMID Growth Fund
Class Name Class R6
Trading Symbol CTOGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Timpani SMID Growth Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class R6
$58
1.05%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.05% [59]
AssetsNet $ 48,858,165
Holdings Count | Holding 91
InvestmentCompanyPortfolioTurnover 98.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$48,858,165
91
98%
Holdings [Text Block]
Table Summary
SECTOR WEIGHTINGS
% OF NET ASSETS
Information Technology
31.1
Industrials
29.6
Health Care
13.8
Consumer Discretionary
11.9
Financials
7.3
Consumer Staples
1.2
Energy
1.2
Communication Services
0.2
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
Lumentum Holdings, Inc.
5.0
Ciena Corp.
3.4
Monolithic Power Systems, Inc.
2.9
Dave, Inc.
2.8
Rush Street Interactive, Inc.
2.6
SiTime Corp.
2.4
Amprius Technologies, Inc.
2.4
XPO, Inc.
2.3
Five Below, Inc.
2.3
MasTec, Inc.
2.2
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000049601  
Shareholder Report [Line Items]  
Fund Name Calamos Total Return Bond Fund
Class Name Class A
Trading Symbol CTRAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Total Return Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class A
$45
0.90%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.90% [60]
AssetsNet $ 23,536,029
Holdings Count | Holding 171
InvestmentCompanyPortfolioTurnover 12.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$23,536,029
171
12%
Holdings [Text Block]
Table Summary
ASSET ALLOCATION
% OF NET ASSETS
U.S. Government and Agency Securities
47.9
Corporate Bonds
46.2
Asset Backed Securities
3.9
Residential Mortgage Backed Securities
0.4
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
U.S. Treasury Notes, 4.000%, 11/15/35
2.6
Federal National Mortgage Association, 6.000%, 03/01/54
2.5
Federal National Mortgage Association, 4.500%, 02/01/53
2.5
Federal National Mortgage Association, 5.500%, 08/01/53
2.5
Federal National Mortgage Association, 2.500%, 07/01/51
2.4
Federal National Mortgage Association, 6.000%, 09/01/53
2.2
U.S. Treasury Bonds, 3.500%, 02/15/39
2.1
U.S. Treasury Notes, 3.750%, 08/31/31
2.1
U.S. Treasury Notes, 3.500%, 11/30/30
2.1
U.S. Treasury Notes, 3.875%, 08/15/34
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000049603  
Shareholder Report [Line Items]  
Fund Name Calamos Total Return Bond Fund
Class Name Class C
Trading Symbol CTRCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Total Return Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class C
$82
1.65%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 82
Expense Ratio, Percent 1.65% [61]
AssetsNet $ 23,536,029
Holdings Count | Holding 171
InvestmentCompanyPortfolioTurnover 12.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$23,536,029
171
12%
Holdings [Text Block]
Table Summary
ASSET ALLOCATION
% OF NET ASSETS
U.S. Government and Agency Securities
47.9
Corporate Bonds
46.2
Asset Backed Securities
3.9
Residential Mortgage Backed Securities
0.4
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
U.S. Treasury Notes, 4.000%, 11/15/35
2.6
Federal National Mortgage Association, 6.000%, 03/01/54
2.5
Federal National Mortgage Association, 4.500%, 02/01/53
2.5
Federal National Mortgage Association, 5.500%, 08/01/53
2.5
Federal National Mortgage Association, 2.500%, 07/01/51
2.4
Federal National Mortgage Association, 6.000%, 09/01/53
2.2
U.S. Treasury Bonds, 3.500%, 02/15/39
2.1
U.S. Treasury Notes, 3.750%, 08/31/31
2.1
U.S. Treasury Notes, 3.500%, 11/30/30
2.1
U.S. Treasury Notes, 3.875%, 08/15/34
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
C000049604  
Shareholder Report [Line Items]  
Fund Name Calamos Total Return Bond Fund
Class Name Class I
Trading Symbol CTRIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Calamos Total Return Bond Fund for the period of November 1, 2025 to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.calamos.com/resources. You can also request this information by contacting us at 800-582-6959.
Additional Information Phone Number 800-582-6959
Additional Information Website www.calamos.com/resources
Expenses [Text Block]

WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 Investment
Costs Paid as a Percentage of a $10,000 Investment
Class I
$32
0.65%Footnote Reference(1)
FootnoteDescription
Footnote(1)
Annualized.
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.65% [62]
AssetsNet $ 23,536,029
Holdings Count | Holding 171
InvestmentCompanyPortfolioTurnover 12.00%
Additional Fund Statistics [Text Block]

KEY FUND STATISTICS

Table Summary
Total Net Assets
# of Portfolio Holdings
Portfolio Turnover Rate
$23,536,029
171
12%
Holdings [Text Block]
Table Summary
ASSET ALLOCATION
% OF NET ASSETS
U.S. Government and Agency Securities
47.9
Corporate Bonds
46.2
Asset Backed Securities
3.9
Residential Mortgage Backed Securities
0.4
Largest Holdings [Text Block]

TOP 10 HOLDINGS 

% OF NET ASSETS 

Table Summary
U.S. Treasury Notes, 4.000%, 11/15/35
2.6
Federal National Mortgage Association, 6.000%, 03/01/54
2.5
Federal National Mortgage Association, 4.500%, 02/01/53
2.5
Federal National Mortgage Association, 5.500%, 08/01/53
2.5
Federal National Mortgage Association, 2.500%, 07/01/51
2.4
Federal National Mortgage Association, 6.000%, 09/01/53
2.2
U.S. Treasury Bonds, 3.500%, 02/15/39
2.1
U.S. Treasury Notes, 3.750%, 08/31/31
2.1
U.S. Treasury Notes, 3.500%, 11/30/30
2.1
U.S. Treasury Notes, 3.875%, 08/15/34
2.1
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-582-6959.
Updated Prospectus Web Address www.calamos.com/resources
[1] Annualized.
[2] Annualized.
[3] Annualized.
[4] Annualized.
[5] Annualized.
[6] Annualized.
[7] Annualized.
[8] Annualized.
[9] Annualized.
[10] Annualized.
[11] Annualized.
[12] Annualized.
[13] Annualized.
[14] Annualized.
[15] Annualized.
[16] Annualized.
[17] Annualized.
[18] Annualized.
[19] Annualized.
[20] Annualized.
[21] Annualized.
[22] Annualized.
[23] Annualized.
[24] Annualized.
[25] Annualized.
[26] Annualized.
[27] Annualized.
[28] Annualized.
[29] Annualized.
[30] Annualized.
[31] Annualized.
[32] Annualized.
[33] Annualized.
[34] Annualized.
[35] Annualized.
[36] Annualized.
[37] Annualized.
[38] Annualized.
[39] Annualized.
[40] Annualized.
[41] Annualized.
[42] Annualized.
[43] Annualized.
[44] Annualized.
[45] Annualized.
[46] Annualized.
[47] Annualized.
[48] Annualized.
[49] Annualized.
[50] Annualized.
[51] Annualized.
[52] Annualized.
[53] Annualized.
[54] Annualized.
[55] Annualized.
[56] Annualized.
[57] Annualized.
[58] Annualized.
[59] Annualized.
[60] Annualized.
[61] Annualized.
[62] Annualized.