v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000051889 | Al Rajhi Bank  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000051889 | Saudi National Bank  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000051889 | Anglogold Ashanti  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051889 | Qatar National Bank  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000051889 | FirstRand  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000051889 | Capitec Bank Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000051889 | Saudi Arabian Oil  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000051889 | Naspers  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051889 | National Bank of Kuwait  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000051889 | Etihad Etisalat  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000051889 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 48.80%
C000051889 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000051889 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000051889 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000051889 | Industrials & Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000051889 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000051889 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000051889 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051889 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000051889 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000184321 | Al Rajhi Bank  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000184321 | Saudi National Bank  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000184321 | Anglogold Ashanti  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000184321 | Qatar National Bank  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000184321 | FirstRand  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000184321 | Capitec Bank Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000184321 | Saudi Arabian Oil  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000184321 | Naspers  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000184321 | National Bank of Kuwait  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000184321 | Etihad Etisalat  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000184321 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 48.80%
C000184321 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000184321 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000184321 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000184321 | Industrials & Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000184321 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000184321 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000184321 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000184321 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000184321 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000225812 | Al Rajhi Bank  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000225812 | Saudi National Bank  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000225812 | Anglogold Ashanti  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000225812 | Qatar National Bank  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000225812 | FirstRand  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000225812 | Capitec Bank Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000225812 | Saudi Arabian Oil  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000225812 | Naspers  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000225812 | National Bank of Kuwait  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000225812 | Etihad Etisalat  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000225812 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 48.80%
C000225812 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000225812 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000225812 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000225812 | Industrials & Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000225812 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000225812 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000225812 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000225812 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000225812 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%