v3.26.1
Average Annual Total Returns - World Mutual Funds Prospectus
 12 Months Ended 45 Months Ended 60 Months Ended 73 Months Ended 81 Months Ended 85 Months Ended 117 Months Ended 120 Months Ended
Apr. 01, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI Emerging Markets Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI Emerging Markets Index (reflects no deduction for fees, expenses or taxes, other than foreign withholding tax)                
Average Annual Return, Percent   33.57%   4.20%         8.42%
MSCI ACWI Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI ACWI Index(reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   22.34%   11.19%         11.72%
MSCI ACWI ex USA Index (Inception Dated 3/29/2016)                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI ACWI ex USA Index (reflects no deduction for fees, expenses or taxes, other than foreign withholding tax)                
Average Annual Return, Percent   32.39%   7.91%       8.86%  
MSCI ACWI Index (Inception Dated 3/29/2016)                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI ACWI Index(reflects no deduction for fees, expenses or taxes, other than foreign withholding tax)                
Average Annual Return, Percent   22.34%   11.19%       12.10%  
MSCI ACWI Small Cap Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI ACWI Small Cap Index (reflects no deduction for fees, expenses or taxes, other than foreign withholding tax)                
Average Annual Return, Percent   19.72%   7.29%       9.61%  
MSCI EAFE Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI EAFE Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   31.22%   8.92%         8.18%
MSCI EAFE Growth Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI EAFE Growth Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   20.76%   4.43%         7.42%
MSCI ACWI ex USA Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI ACWI ex USA Index(reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   32.39%   7.91%         8.41%
MSCI ACWI ex USA Small Cap Growth Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI ACWI ex USA Small Cap Growth Index (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   26.16%   4.12%         7.46%
MSCI EAFE Index1                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI EAFE Index   (reflects no deduction for fees, expenses or taxes,    other than foreign withholding tax)                
Average Annual Return, Percent   31.22%   8.92%         8.18%
MSCI EAFE Small Cap Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI EAFE Small Cap Index   (reflects no deduction for fees, expenses or taxes,    other than foreign withholding tax)                
Average Annual Return, Percent   31.83%   5.62%         7.49%
MSCI EAFE Index2                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI EAFE Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   31.22%   8.92%         8.18%
MSCI EAFE Value Index                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI EAFE Value Index   (reflects no deduction for fees, expenses or taxes)                
Average Annual Return, Percent   42.25%   13.36%         8.69%
MSCI ACWI ex USA Index (Inception Dated 12/6/2018)                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] MSCI ACWI ex USA Index (reflects no deduction for fees, expenses or taxes, other than foreign withholding tax)                
Emerging Markets Fund, Investor Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   35.29%   1.42%         7.58%
Performance Inception Date Sep. 30, 1997                
Emerging Markets Fund, Investor Class | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   35.20%   1.25%         7.50%
Performance Inception Date Sep. 30, 1997                
Emerging Markets Fund, Investor Class | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   21.43%   1.18%         6.30%
Performance Inception Date Sep. 30, 1997                
Emerging Markets Fund, I Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   35.62%   1.64%         7.80%
Performance Inception Date Jan. 28, 1999                
Emerging Markets Fund, Y Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [1] Y Class1 Return Before Taxes                
Average Annual Return, Percent [1]   35.76%   1.78%         7.95%
Performance Inception Date [1] Apr. 10, 2017                
Emerging Markets Fund, A Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   27.18%   (0.02%)         6.68%
Performance Inception Date May 12, 1999                
Emerging Markets Fund, C Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [2] C Class2 Return Before Taxes                
Average Annual Return, Percent [2]   33.97%   0.43%         6.68%
Performance Inception Date [2] Dec. 18, 2001                
Emerging Markets Fund, R Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   34.58%   0.92%         7.04%
Performance Inception Date Sep. 28, 2007                
Emerging Markets Fund, R5 Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [3] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [3]   35.59%   1.63%         7.80%
Performance Inception Date [3] Apr. 10, 2017                
Emerging Markets Fund, R6 Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   35.82%   1.79%         7.95%
Performance Inception Date Jul. 26, 2013                
Emerging Markets Fund, G Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   36.95% 8.73%            
Performance Inception Date Apr. 01, 2022                
FOCUSED GLOBAL GROWTH FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   16.54%   6.64%         10.96%
Performance Inception Date Dec. 01, 1998                
FOCUSED GLOBAL GROWTH FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   13.91%   4.08%         8.33%
Performance Inception Date Dec. 01, 1998                
FOCUSED GLOBAL GROWTH FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   11.11%   4.73%         8.30%
Performance Inception Date Dec. 01, 1998                
FOCUSED GLOBAL GROWTH FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   16.80%   6.86%         11.19%
Performance Inception Date Aug. 01, 2000                
FOCUSED GLOBAL GROWTH FUND, Y CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [4] Y Class1 Return Before Taxes                
Average Annual Return, Percent [4]   17.02%   7.00%         11.34%
Performance Inception Date [4] Apr. 10, 2017                
FOCUSED GLOBAL GROWTH FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   9.65%   5.13%         10.03%
Performance Inception Date Feb. 05, 1999                
FOCUSED GLOBAL GROWTH FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [5] C Class2 Return Before Taxes                
Average Annual Return, Percent [5]   15.33%   5.58%         10.02%
Performance Inception Date [5] Mar. 01, 2002                
FOCUSED GLOBAL GROWTH FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   16.00%   6.11%         10.40%
Performance Inception Date Jul. 29, 2005                
FOCUSED GLOBAL GROWTH FUND, R5 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [6] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [6]   16.79%   6.84%         11.18%
Performance Inception Date [6] Apr. 10, 2017                
FOCUSED GLOBAL GROWTH FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   16.95%   7.00%         11.34%
Performance Inception Date Jul. 26, 2013                
Focused International Growth Fund, Investor Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   15.97%   0.65%       7.65%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, Investor Class | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   16.04%   0.55%       7.51%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, Investor Class | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   9.54%   0.55%       6.26%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, I Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   16.17%   0.85%       7.86%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, A Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   9.01%   (0.79%)       6.72%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, C Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] C Class Return Before Taxes                
Average Annual Return, Percent   14.79%   (0.35%)       6.72%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, R Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   15.39%   0.14%       7.10%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, R6 Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   16.37%   1.00%       8.02%  
Performance Inception Date Mar. 29, 2016                
Focused International Growth Fund, G Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   17.20%   1.75%   8.12%      
Performance Inception Date Apr. 01, 2019                
Global Small Cap Fund, Investor Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   10.96%   2.72%       11.77%  
Performance Inception Date Mar. 29, 2016                
Global Small Cap Fund, Investor Class | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   10.86%   1.51%       10.60%  
Performance Inception Date Mar. 29, 2016                
Global Small Cap Fund, Investor Class | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   6.71%   1.81%       9.44%  
Performance Inception Date Mar. 29, 2016                
Global Small Cap Fund, I Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   11.19%   2.93%       12.00%  
Performance Inception Date Mar. 29, 2016                
Global Small Cap Fund, A Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   4.34%   1.26%       10.82%  
Performance Inception Date Mar. 29, 2016                
Global Small Cap Fund, C Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] C Class Return Before Taxes                
Average Annual Return, Percent   9.89%   1.69%       10.81%  
Performance Inception Date Mar. 29, 2016                
Global Small Cap Fund, R Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   10.43%   2.21%       11.22%  
Performance Inception Date Mar. 29, 2016                
Global Small Cap Fund, R6 Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   11.40%   3.08%       12.17%  
Performance Inception Date Mar. 29, 2016                
International Growth Fund, Investor Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   15.60%   1.55%         6.15%
Performance Inception Date May 09, 1991                
International Growth Fund, Investor Class | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   14.79%   0.77%         5.26%
Performance Inception Date May 09, 1991                
International Growth Fund, Investor Class | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   9.93%   1.23%         4.89%
Performance Inception Date May 09, 1991                
International Growth Fund, I Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   15.80%   1.77%         6.36%
Performance Inception Date Nov. 20, 1997                
International Growth Fund, Y Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [7] Y Class1 Return Before Taxes                
Average Annual Return, Percent [7]   16.04%   1.92%         6.52%
Performance Inception Date [7] Apr. 10, 2017                
International Growth Fund, A Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   8.68%   0.10%         5.25%
Performance Inception Date Oct. 02, 1996                
International Growth Fund, C Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [8] C Class2 Return Before Taxes                
Average Annual Return, Percent [8]   14.42%   0.54%         5.25%
Performance Inception Date [8] Jun. 04, 2001                
International Growth Fund, R Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   15.01%   1.06%         5.62%
Performance Inception Date Aug. 29, 2003                
International Growth Fund, R5 Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [9] R5 Class3 Return Before Taxes                
Average Annual Return, Percent [9]   15.88%   1.76%         6.36%
Performance Inception Date [9] Apr. 10, 2017                
International Growth Fund, R6 Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   15.97%   1.91%         6.52%
Performance Inception Date Jul. 26, 2013                
International Growth Fund, G Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   17.05% 4.79%            
Performance Inception Date Apr. 01, 2022                
INTERNATIONAL OPPORTUNITIES FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   29.62%   0.97%         6.52%
INTERNATIONAL OPPORTUNITIES FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   29.76%   0.23%         5.70%
INTERNATIONAL OPPORTUNITIES FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   17.82%   0.77%         5.19%
INTERNATIONAL OPPORTUNITIES FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   29.83%   1.18%         6.74%
INTERNATIONAL OPPORTUNITIES FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   21.94%   (0.45%)         5.64%
INTERNATIONAL OPPORTUNITIES FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [10] C Class1 Return Before Taxes                
Average Annual Return, Percent [10]   28.45%   (0.02%)         5.61%
INTERNATIONAL OPPORTUNITIES FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   28.99%   0.48%         5.99%
International Small-Mid Cap Fund, Investor Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   27.38%   1.97%         6.30%
International Small-Mid Cap Fund, Investor Class | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   26.79%   0.66%         5.04%
International Small-Mid Cap Fund, Investor Class | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   16.54%   1.29%         4.79%
International Small-Mid Cap Fund, G Class                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   29.04%   3.41%         7.62%
INTERNATIONAL VALUE FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   42.06%   11.24%         7.89%
Performance Inception Date Apr. 03, 2006                
INTERNATIONAL VALUE FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   39.49%   9.92%         7.06%
Performance Inception Date Apr. 03, 2006                
INTERNATIONAL VALUE FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   26.75%   8.69%         6.30%
Performance Inception Date Apr. 03, 2006                
INTERNATIONAL VALUE FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] I Class Return Before Taxes                
Average Annual Return, Percent   42.39%   11.46%         8.10%
Performance Inception Date Apr. 03, 2006                
INTERNATIONAL VALUE FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] A Class Return Before Taxes                
Average Annual Return, Percent   33.57%   9.64%         6.97%
Performance Inception Date Mar. 31, 1997                
INTERNATIONAL VALUE FUND, C CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [11] C Class1 Return Before Taxes                
Average Annual Return, Percent [11]   40.82%   10.15%         6.99%
Performance Inception Date [11] Apr. 03, 2006                
INTERNATIONAL VALUE FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R Class Return Before Taxes                
Average Annual Return, Percent   41.26%   10.65%         7.34%
Performance Inception Date Apr. 03, 2006                
INTERNATIONAL VALUE FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] R6 Class Return Before Taxes                
Average Annual Return, Percent   42.66%   11.61%         8.27%
Performance Inception Date Jul. 26, 2013                
INTERNATIONAL VALUE FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   43.67% 15.15%            
Performance Inception Date Apr. 01, 2022                
NON-U.S. INTRINSIC VALUE FUND, INVESTOR CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Investor Class Return Before Taxes                
Average Annual Return, Percent   42.27%   11.28%     7.58%    
Performance Inception Date Dec. 06, 2018                
NON-U.S. INTRINSIC VALUE FUND, INVESTOR CLASS | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                
Average Annual Return, Percent   38.40%   8.89%     5.76%    
Performance Inception Date Dec. 06, 2018                
NON-U.S. INTRINSIC VALUE FUND, INVESTOR CLASS | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                
Average Annual Return, Percent   26.96%   8.36%     5.59%    
Performance Inception Date Dec. 06, 2018                
NON-U.S. INTRINSIC VALUE FUND, INVESTOR CLASS | MSCI ACWI ex USA Index (Inception Dated 12/6/2018)                  
Prospectus [Line Items]                  
Average Annual Return, Percent   32.39%   7.91%     9.71%    
NON-U.S. INTRINSIC VALUE FUND, I CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [12] I Class1 Return Before Taxes                
Average Annual Return, Percent [12]   42.43%   11.51% 7.79%        
Performance Inception Date [12] Dec. 03, 2019                
NON-U.S. INTRINSIC VALUE FUND, A CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [12] A Class1 Return Before Taxes                
Average Annual Return, Percent [12]   33.62%   9.70% 7.31%        
Performance Inception Date [12] Dec. 03, 2019                
NON-U.S. INTRINSIC VALUE FUND, R CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [12] R Class1 Return Before Taxes                
Average Annual Return, Percent [12]   41.48%   10.72% 7.03%        
Performance Inception Date [12] Dec. 03, 2019                
NON-U.S. INTRINSIC VALUE FUND, R6 CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] [12] R6 Class1 Return Before Taxes                
Average Annual Return, Percent [12]   42.73%   11.68% 7.97%        
Performance Inception Date [12] Dec. 03, 2019                
NON-U.S. INTRINSIC VALUE FUND, G CLASS                  
Prospectus [Line Items]                  
Average Annual Return, Label [Optional Text] G Class Return Before Taxes                
Average Annual Return, Percent   43.83%   12.60%     8.90%    
Performance Inception Date Dec. 06, 2018                
[1] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 inception date.
[2] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[3] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class.
[4] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 inception date.
[5] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[6] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class.
[7] Historical performance for the Y Class prior to its inception is based on the performance of R6 Class shares, which have the same expenses as the Y Class shares. Since inception performance for the Y Class is based on the R6 Class inception date.
[8] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[9] Historical performance for the R5 Class prior to its inception is based on the performance of I Class shares, which have the same expenses as the R5 Class.
[10] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion.
[11] C Class shares automatically convert to A Class shares after approximately eight years. All returns for periods greater than eight years reflect this conversion
[12] Historical performance for the I, A, R and R6 Classes prior to their inception is based on the performance of G Class shares. Class performance has been adjusted to reflect differences in expenses between classes, if applicable. Since inception performance for the I, A, R and R6 Classes is based on the G Class inception date.