Shareholder Report
|
6 Months Ended |
|
Jun. 30, 2026
USD ($)
Holding
|
| Shareholder Report [Line Items] |
|
|
| Document Type |
N-CSRS
|
|
| Amendment Flag |
false
|
|
| Registrant Name |
Calvert Management Series
|
|
| Entity Central Index Key |
0000319676
|
|
| Entity Investment Company Type |
N-1A
|
|
| Document Period End Date |
Jun. 30, 2026
|
|
| Shareholder Report Annual or Semi-Annual |
Semi-Annual Shareholder Report
|
|
| C000146359 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Flexible Bond Fund
|
|
| Class Name |
Class A
|
|
| Trading Symbol |
CUBAX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Flexible Bond Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
$44 |
0.88%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 44
|
|
| Expense Ratio, Percent |
0.88%
|
[1] |
| AssetsNet |
$ 869,315,689
|
|
| Holdings Count | Holding |
434
|
|
| InvestmentCompanyPortfolioTurnover |
119.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$869,315,689 |
# of Portfolio Holdings |
434 |
Portfolio Turnover Rate |
119% |
|
|
| Holdings [Text Block] |
Asset Allocation (% of total investments)
Table Summary
Value |
Value |
OtherFootnote Reference* |
3.2% |
Senior Floating-Rate Loans |
3.9% |
Collateralized Mortgage Obligations |
4.8% |
Commercial Mortgage-Backed Securities |
6.7% |
Asset-Backed Securities |
11.2% |
Short-Term Investments |
13.2% |
U.S. Treasury Obligations |
15.8% |
U.S. Government Agency Mortgage-Backed Securities |
16.2% |
Corporate Bonds |
25.0% |
| Footnote |
Description |
Footnote* |
Investment types less than 1% each | Credit Quality (% of net assets)Footnote Referencea
Table Summary
Value |
Value |
Cash & Equivalents |
10.2% |
Not Rated |
6.8% |
C |
0.1% |
CCC |
0.7% |
B |
5.8% |
BB |
10.7% |
BBB |
21.6% |
A |
5.1% |
AA |
32.8% |
AAA |
6.2% |
| Footnote |
Description |
Footnotea |
Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”), or Kroll Bond Rating Agency, LLC (“Kroll”) for securitized debt instruments only (such as asset-backed and mortgage-backed securities). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P, Fitch and Kroll scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000146360 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Flexible Bond Fund
|
|
| Class Name |
Class C
|
|
| Trading Symbol |
CUBCX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Flexible Bond Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
$81 |
1.63%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 81
|
|
| Expense Ratio, Percent |
1.63%
|
[2] |
| AssetsNet |
$ 869,315,689
|
|
| Holdings Count | Holding |
434
|
|
| InvestmentCompanyPortfolioTurnover |
119.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$869,315,689 |
# of Portfolio Holdings |
434 |
Portfolio Turnover Rate |
119% |
|
|
| Holdings [Text Block] |
Asset Allocation (% of total investments)
Table Summary
Value |
Value |
OtherFootnote Reference* |
3.2% |
Senior Floating-Rate Loans |
3.9% |
Collateralized Mortgage Obligations |
4.8% |
Commercial Mortgage-Backed Securities |
6.7% |
Asset-Backed Securities |
11.2% |
Short-Term Investments |
13.2% |
U.S. Treasury Obligations |
15.8% |
U.S. Government Agency Mortgage-Backed Securities |
16.2% |
Corporate Bonds |
25.0% |
| Footnote |
Description |
Footnote* |
Investment types less than 1% each | Credit Quality (% of net assets)Footnote Referencea
Table Summary
Value |
Value |
Cash & Equivalents |
10.2% |
Not Rated |
6.8% |
C |
0.1% |
CCC |
0.7% |
B |
5.8% |
BB |
10.7% |
BBB |
21.6% |
A |
5.1% |
AA |
32.8% |
AAA |
6.2% |
| Footnote |
Description |
Footnotea |
Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”), or Kroll Bond Rating Agency, LLC (“Kroll”) for securitized debt instruments only (such as asset-backed and mortgage-backed securities). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P, Fitch and Kroll scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000146362 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Flexible Bond Fund
|
|
| Class Name |
Class I
|
|
| Trading Symbol |
CUBIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Flexible Bond Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
0.64%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 32
|
|
| Expense Ratio, Percent |
0.64%
|
[3] |
| AssetsNet |
$ 869,315,689
|
|
| Holdings Count | Holding |
434
|
|
| InvestmentCompanyPortfolioTurnover |
119.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$869,315,689 |
# of Portfolio Holdings |
434 |
Portfolio Turnover Rate |
119% |
|
|
| Holdings [Text Block] |
Asset Allocation (% of total investments)
Table Summary
Value |
Value |
OtherFootnote Reference* |
3.2% |
Senior Floating-Rate Loans |
3.9% |
Collateralized Mortgage Obligations |
4.8% |
Commercial Mortgage-Backed Securities |
6.7% |
Asset-Backed Securities |
11.2% |
Short-Term Investments |
13.2% |
U.S. Treasury Obligations |
15.8% |
U.S. Government Agency Mortgage-Backed Securities |
16.2% |
Corporate Bonds |
25.0% |
| Footnote |
Description |
Footnote* |
Investment types less than 1% each | Credit Quality (% of net assets)Footnote Referencea
Table Summary
Value |
Value |
Cash & Equivalents |
10.2% |
Not Rated |
6.8% |
C |
0.1% |
CCC |
0.7% |
B |
5.8% |
BB |
10.7% |
BBB |
21.6% |
A |
5.1% |
AA |
32.8% |
AAA |
6.2% |
| Footnote |
Description |
Footnotea |
Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”), or Kroll Bond Rating Agency, LLC (“Kroll”) for securitized debt instruments only (such as asset-backed and mortgage-backed securities). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P, Fitch and Kroll scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000213138 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Flexible Bond Fund
|
|
| Class Name |
Class R6
|
|
| Trading Symbol |
CUBRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Flexible Bond Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
$27 |
0.54%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 27
|
|
| Expense Ratio, Percent |
0.54%
|
[4] |
| AssetsNet |
$ 869,315,689
|
|
| Holdings Count | Holding |
434
|
|
| InvestmentCompanyPortfolioTurnover |
119.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$869,315,689 |
# of Portfolio Holdings |
434 |
Portfolio Turnover Rate |
119% |
|
|
| Holdings [Text Block] |
Asset Allocation (% of total investments)
Table Summary
Value |
Value |
OtherFootnote Reference* |
3.2% |
Senior Floating-Rate Loans |
3.9% |
Collateralized Mortgage Obligations |
4.8% |
Commercial Mortgage-Backed Securities |
6.7% |
Asset-Backed Securities |
11.2% |
Short-Term Investments |
13.2% |
U.S. Treasury Obligations |
15.8% |
U.S. Government Agency Mortgage-Backed Securities |
16.2% |
Corporate Bonds |
25.0% |
| Footnote |
Description |
Footnote* |
Investment types less than 1% each | Credit Quality (% of net assets)Footnote Referencea
Table Summary
Value |
Value |
Cash & Equivalents |
10.2% |
Not Rated |
6.8% |
C |
0.1% |
CCC |
0.7% |
B |
5.8% |
BB |
10.7% |
BBB |
21.6% |
A |
5.1% |
AA |
32.8% |
AAA |
6.2% |
| Footnote |
Description |
Footnotea |
Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”), or Kroll Bond Rating Agency, LLC (“Kroll”) for securitized debt instruments only (such as asset-backed and mortgage-backed securities). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P, Fitch and Kroll scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000014074 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Responsible Municipal Income Fund
|
|
| Class Name |
Class A
|
|
| Trading Symbol |
CTTLX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Responsible Municipal Income Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
$38 |
0.75%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 38
|
|
| Expense Ratio, Percent |
0.75%
|
[5] |
| AssetsNet |
$ 433,151,343
|
|
| Holdings Count | Holding |
308
|
|
| InvestmentCompanyPortfolioTurnover |
15.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$433,151,343 |
# of Portfolio Holdings |
308 |
Portfolio Turnover Rate |
15% |
|
|
| Holdings [Text Block] |
Sector Allocation (% of total investments)
Table Summary
Value |
Value |
OtherFootnote Reference* |
12.4% |
Special Tax Revenue |
4.1% |
Education |
5.0% |
Transportation |
5.4% |
Lease Rev./Cert. of Participation |
6.1% |
Electric Utilities |
6.4% |
Other Revenue |
7.1% |
Hospital |
7.7% |
Water and Sewer |
8.5% |
General Obligations |
18.1% |
Housing |
19.2% |
| Footnote |
Description |
Footnote* |
Sectors less than 3% each. | Credit Quality (% of total investments)Footnote Referencea
Table Summary
Value |
Value |
Cash Securities |
2.6% |
Not Rated |
1.3% |
B |
0.4% |
BB |
3.4% |
BBB |
6.9% |
A |
22.1% |
AA |
50.3% |
AAA |
13.0% |
| Footnote |
Description |
Footnotea |
Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P and Fitch scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000160651 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Responsible Municipal Income Fund
|
|
| Class Name |
Class C
|
|
| Trading Symbol |
CTTCX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Responsible Municipal Income Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
$75 |
1.50%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 75
|
|
| Expense Ratio, Percent |
1.50%
|
[6] |
| AssetsNet |
$ 433,151,343
|
|
| Holdings Count | Holding |
308
|
|
| InvestmentCompanyPortfolioTurnover |
15.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$433,151,343 |
# of Portfolio Holdings |
308 |
Portfolio Turnover Rate |
15% |
|
|
| Holdings [Text Block] |
Sector Allocation (% of total investments)
Table Summary
Value |
Value |
OtherFootnote Reference* |
12.4% |
Special Tax Revenue |
4.1% |
Education |
5.0% |
Transportation |
5.4% |
Lease Rev./Cert. of Participation |
6.1% |
Electric Utilities |
6.4% |
Other Revenue |
7.1% |
Hospital |
7.7% |
Water and Sewer |
8.5% |
General Obligations |
18.1% |
Housing |
19.2% |
| Footnote |
Description |
Footnote* |
Sectors less than 3% each. | Credit Quality (% of total investments)Footnote Referencea
Table Summary
Value |
Value |
Cash Securities |
2.6% |
Not Rated |
1.3% |
B |
0.4% |
BB |
3.4% |
BBB |
6.9% |
A |
22.1% |
AA |
50.3% |
AAA |
13.0% |
| Footnote |
Description |
Footnotea |
Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P and Fitch scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000160653 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Responsible Municipal Income Fund
|
|
| Class Name |
Class I
|
|
| Trading Symbol |
CTTIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Responsible Municipal Income Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
$25 |
0.50%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 25
|
|
| Expense Ratio, Percent |
0.50%
|
[7] |
| AssetsNet |
$ 433,151,343
|
|
| Holdings Count | Holding |
308
|
|
| InvestmentCompanyPortfolioTurnover |
15.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$433,151,343 |
# of Portfolio Holdings |
308 |
Portfolio Turnover Rate |
15% |
|
|
| Holdings [Text Block] |
Sector Allocation (% of total investments)
Table Summary
Value |
Value |
OtherFootnote Reference* |
12.4% |
Special Tax Revenue |
4.1% |
Education |
5.0% |
Transportation |
5.4% |
Lease Rev./Cert. of Participation |
6.1% |
Electric Utilities |
6.4% |
Other Revenue |
7.1% |
Hospital |
7.7% |
Water and Sewer |
8.5% |
General Obligations |
18.1% |
Housing |
19.2% |
| Footnote |
Description |
Footnote* |
Sectors less than 3% each. | Credit Quality (% of total investments)Footnote Referencea
Table Summary
Value |
Value |
Cash Securities |
2.6% |
Not Rated |
1.3% |
B |
0.4% |
BB |
3.4% |
BBB |
6.9% |
A |
22.1% |
AA |
50.3% |
AAA |
13.0% |
| Footnote |
Description |
Footnotea |
Ratings are based on Moody’s Investors Service, Inc. (“Moody’s”), S&P Global Ratings (“S&P”) or Fitch Ratings (“Fitch”). If securities are rated differently by the ratings agencies, the highest rating is applied. Moody's ratings are converted to the S&P and Fitch scale with ratings ranging from AAA, being the highest, to D, being the lowest. Ratings of BBB or higher are considered to be investment-grade quality. Holdings designated as “Not Rated” (if any) are not rated by the national ratings agencies stated above. |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000241884 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Small/Mid-Cap Fund
|
|
| Class Name |
Class A
|
|
| Trading Symbol |
CMPAX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Small/Mid-Cap Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
1.14%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 59
|
|
| Expense Ratio, Percent |
1.14%
|
[8] |
| AssetsNet |
$ 208,593,171
|
|
| Holdings Count | Holding |
81
|
|
| InvestmentCompanyPortfolioTurnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$208,593,171 |
# of Portfolio Holdings |
81 |
Portfolio Turnover Rate |
19% |
|
|
| Holdings [Text Block] |
Sector Allocation (% of total investments)
Table Summary
Value |
Value |
Energy |
1.4% |
Short-Term Investments |
1.8% |
Utilities |
1.9% |
Consumer Staples |
4.5% |
Materials |
5.2% |
Health Care |
5.4% |
Real Estate |
6.6% |
Information Technology |
14.6% |
Consumer Discretionary |
16.2% |
Financials |
18.8% |
Industrials |
23.6% |
|
|
| Largest Holdings [Text Block] |
Top Ten Holdings (% of total investments)Footnote Referencea
Table Summary
CSW Industrials, Inc. |
3.0% |
Dorman Products, Inc. |
2.7% |
Franklin Electric Co., Inc. |
2.4% |
Performance Food Group Co. |
2.3% |
Valvoline, Inc. |
2.2% |
Donaldson Co., Inc. |
2.2% |
Royalty Pharma PLC, Class A |
2.2% |
Wyndham Hotels & Resorts, Inc. |
2.1% |
Southstate Bank Corp. |
1.9% |
Cincinnati Financial Corp. |
1.9% |
Total |
22.9% |
| Footnote |
Description |
Footnotea |
Excluding cash equivalents |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000241883 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Small/Mid-Cap Fund
|
|
| Class Name |
Class C
|
|
| Trading Symbol |
CMPCX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Small/Mid-Cap Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
1.89%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 98
|
|
| Expense Ratio, Percent |
1.89%
|
[9] |
| AssetsNet |
$ 208,593,171
|
|
| Holdings Count | Holding |
81
|
|
| InvestmentCompanyPortfolioTurnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$208,593,171 |
# of Portfolio Holdings |
81 |
Portfolio Turnover Rate |
19% |
|
|
| Holdings [Text Block] |
Sector Allocation (% of total investments)
Table Summary
Value |
Value |
Energy |
1.4% |
Short-Term Investments |
1.8% |
Utilities |
1.9% |
Consumer Staples |
4.5% |
Materials |
5.2% |
Health Care |
5.4% |
Real Estate |
6.6% |
Information Technology |
14.6% |
Consumer Discretionary |
16.2% |
Financials |
18.8% |
Industrials |
23.6% |
|
|
| Largest Holdings [Text Block] |
Top Ten Holdings (% of total investments)Footnote Referencea
Table Summary
CSW Industrials, Inc. |
3.0% |
Dorman Products, Inc. |
2.7% |
Franklin Electric Co., Inc. |
2.4% |
Performance Food Group Co. |
2.3% |
Valvoline, Inc. |
2.2% |
Donaldson Co., Inc. |
2.2% |
Royalty Pharma PLC, Class A |
2.2% |
Wyndham Hotels & Resorts, Inc. |
2.1% |
Southstate Bank Corp. |
1.9% |
Cincinnati Financial Corp. |
1.9% |
Total |
22.9% |
| Footnote |
Description |
Footnotea |
Excluding cash equivalents |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
| C000241882 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Calvert Small/Mid-Cap Fund
|
|
| Class Name |
Class I
|
|
| Trading Symbol |
CMCIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Calvert Small/Mid-Cap Fund for the period of January 1, 2026 to June 30, 2026.
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at www.eatonvance.com/calvert-fund-documents.php. You can also request this information by contacting us at 1-800-368-2745.
|
|
| Additional Information Phone Number |
1-800-368-2745
|
|
| Additional Information Website |
<span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.eatonvance.com/calvert-fund-documents.php</span>
|
|
| 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 |
0.89%Footnote Reference1 |
| Footnote |
Description |
Footnote1 |
Annualized |
|
|
| Expenses Paid, Amount |
$ 46
|
|
| Expense Ratio, Percent |
0.89%
|
[10] |
| AssetsNet |
$ 208,593,171
|
|
| Holdings Count | Holding |
81
|
|
| InvestmentCompanyPortfolioTurnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Total Net Assets |
$208,593,171 |
# of Portfolio Holdings |
81 |
Portfolio Turnover Rate |
19% |
|
|
| Holdings [Text Block] |
Sector Allocation (% of total investments)
Table Summary
Value |
Value |
Energy |
1.4% |
Short-Term Investments |
1.8% |
Utilities |
1.9% |
Consumer Staples |
4.5% |
Materials |
5.2% |
Health Care |
5.4% |
Real Estate |
6.6% |
Information Technology |
14.6% |
Consumer Discretionary |
16.2% |
Financials |
18.8% |
Industrials |
23.6% |
|
|
| Largest Holdings [Text Block] |
Top Ten Holdings (% of total investments)Footnote Referencea
Table Summary
CSW Industrials, Inc. |
3.0% |
Dorman Products, Inc. |
2.7% |
Franklin Electric Co., Inc. |
2.4% |
Performance Food Group Co. |
2.3% |
Valvoline, Inc. |
2.2% |
Donaldson Co., Inc. |
2.2% |
Royalty Pharma PLC, Class A |
2.2% |
Wyndham Hotels & Resorts, Inc. |
2.1% |
Southstate Bank Corp. |
1.9% |
Cincinnati Financial Corp. |
1.9% |
Total |
22.9% |
| Footnote |
Description |
Footnotea |
Excluding cash equivalents |
|
|
| Material Fund Change [Text Block] |
|
|
| Updated Prospectus Phone Number |
1-800-368-2745
|
|
|
|