v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000216360 [Member] | Contemporary Amperex Technology Co Ltd Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000216360 [Member] | Grupo Mexico S A B de C V [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000216360 [Member] | Komatsu Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000216360 [Member] | MercadoLibre Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000216360 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000216360 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000216360 [Member] | Emaar Properties PJSC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000216360 [Member] | Cemex S A B de C V [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000216360 [Member] | JSW Infrastructure Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000216360 [Member] | Saudi National Bank [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000216360 [Member] | URUGUAY  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000216360 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000216360 [Member] | UNITED ARAB EMIRATES  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000216360 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000216360 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000216360 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000216360 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000216360 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000216360 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000216360 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000216360 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000216360 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000216360 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000216360 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000216360 [Member] | ARGENTINA  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000216360 [Member] | Other Assets in Excess of Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000216360 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
C000216360 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000078165 [Member] | Contemporary Amperex Technology Co Ltd Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000078165 [Member] | Grupo Mexico S A B de C V [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000078165 [Member] | Komatsu Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000078165 [Member] | MercadoLibre Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000078165 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000078165 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000078165 [Member] | Emaar Properties PJSC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000078165 [Member] | Cemex S A B de C V [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000078165 [Member] | JSW Infrastructure Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000078165 [Member] | Saudi National Bank [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000078165 [Member] | URUGUAY  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000078165 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000078165 [Member] | UNITED ARAB EMIRATES  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000078165 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000078165 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000078165 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000078165 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000078165 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000078165 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000078165 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000078165 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000078165 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000078165 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000078165 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000078165 [Member] | ARGENTINA  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000078165 [Member] | Other Assets in Excess of Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000078165 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 95.40%
C000078165 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000135917 [Member] | Contemporary Amperex Technology Co Ltd Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000135917 [Member] | Grupo Mexico S A B de C V [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000135917 [Member] | Komatsu Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000135917 [Member] | MercadoLibre Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000135917 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000135917 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000135917 [Member] | Siemens A G [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000135917 [Member] | Shopify Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000135917 [Member] | WiseTech Global Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000135917 [Member] | L Oreal S A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000135917 [Member] | URUGUAY  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000135917 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000135917 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000135917 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000135917 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000135917 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000135917 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000135917 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000135917 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000135917 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000135917 [Member] | ARGENTINA  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000135917 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000135917 [Member] | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
C000135917 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000135917 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000135917 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000135917 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000135917 [Member] | Other Assets in Excess of Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000135917 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000216361 [Member] | Contemporary Amperex Technology Co Ltd Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000216361 [Member] | Grupo Mexico S A B de C V [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000216361 [Member] | Komatsu Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000216361 [Member] | MercadoLibre Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000216361 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000216361 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000216361 [Member] | Siemens A G [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000216361 [Member] | Shopify Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000216361 [Member] | WiseTech Global Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000216361 [Member] | L Oreal S A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000216361 [Member] | URUGUAY  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000216361 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000216361 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000216361 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000216361 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000216361 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000216361 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000216361 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000216361 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000216361 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000216361 [Member] | ARGENTINA  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000216361 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000216361 [Member] | CANADA  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
C000216361 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000216361 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000216361 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000216361 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000216361 [Member] | Other Assets in Excess of Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000216361 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%