v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000132088 | Valterra Platinum, Ltd.9293542  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000132088 | LG Uplus Corp.9293428  
Holdings [Line Items]  
Percent of Total Investments 2.90%
C000132088 | Range Resources Corp.9293183  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000132088 | K+S AG9293263  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000132088 | Golden Agri-Resources, Ltd.9293499  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000132088 | LG Corp.9293425  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000132088 | Impala Platinum Holdings, Ltd.9293536  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000132088 | Seabridge Gold, Inc. (USD)9293191  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000132088 | CK Hutchison Holdings, Ltd.9293343  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000132088 | Centene9293147  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000132088 | Russia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000132088 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000132088 | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000132088 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000132088 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000132088 | China  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000132088 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000132088 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000132088 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000132088 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000132088 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000132088 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000132089 | Valterra Platinum, Ltd.9293542  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000132089 | LG Uplus Corp.9293428  
Holdings [Line Items]  
Percent of Total Investments 2.90%
C000132089 | Range Resources Corp.9293183  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000132089 | K+S AG9293263  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000132089 | Golden Agri-Resources, Ltd.9293499  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000132089 | LG Corp.9293425  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000132089 | Impala Platinum Holdings, Ltd.9293536  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000132089 | Seabridge Gold, Inc. (USD)9293191  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000132089 | CK Hutchison Holdings, Ltd.9293343  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000132089 | Centene9293147  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000132089 | Russia  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000132089 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000132089 | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000132089 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000132089 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000132089 | China  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000132089 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000132089 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000132089 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000132089 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000132089 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000132089 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000157593 | Valterra Platinum, Ltd.9293374  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000157593 | Glencore PLC9293179  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000157593 | K+S AG9293163  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000157593 | Seabridge Gold, Inc.9293387  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000157593 | LG Uplus Corp.9293307  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000157593 | Golden Agri-Resources, Ltd.9293350  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000157593 | Impala Platinum Holdings, Ltd.9293367  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000157593 | LG Corp.9293304  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000157593 | Nutrien, Ltd.9293381  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000157593 | Paladin Energy, Ltd.9293137  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000157593 | Russia  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000157593 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000157593 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000157593 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000157593 | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000157593 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000157593 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000157593 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000157593 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000157593 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000157593 | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157593 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000157592 | Valterra Platinum, Ltd.9293374  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000157592 | Glencore PLC9293179  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000157592 | K+S AG9293163  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000157592 | Seabridge Gold, Inc.9293387  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000157592 | LG Uplus Corp.9293307  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000157592 | Golden Agri-Resources, Ltd.9293350  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000157592 | Impala Platinum Holdings, Ltd.9293367  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000157592 | LG Corp.9293304  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000157592 | Nutrien, Ltd.9293381  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000157592 | Paladin Energy, Ltd.9293137  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000157592 | Russia  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000157592 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000157592 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000157592 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000157592 | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000157592 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000157592 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000157592 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000157592 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000157592 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000157592 | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157592 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%