v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000004013 | Mitsubishi UFJ Financial Group  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000004013 | Recruit Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000004013 | Toyota Motor  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000004013 | ORIX  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000004013 | Renesas Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000004013 | Sumitomo  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000004013 | MS&AD Insurance Group Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000004013 | Resona Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000004013 | Sony Group  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004013 | Hitachi  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004013 | Electric Appliances & Precision Instruments  
Holdings [Line Items]  
Percent of Net Asset Value 21.30%
C000004013 | IT & Services & Others  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000004013 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000004013 | Raw Materials & Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000004013 | Financials Ex-Banks  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000004013 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000004013 | Commercial & Wholesale Trade  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000004013 | Automobiles & Transportation Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000004013 | Retail Trade  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000004013 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000184318 | Mitsubishi UFJ Financial Group  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000184318 | Recruit Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000184318 | Toyota Motor  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000184318 | ORIX  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000184318 | Renesas Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000184318 | Sumitomo  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000184318 | MS&AD Insurance Group Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000184318 | Resona Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000184318 | Sony Group  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000184318 | Hitachi  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000184318 | Electric Appliances & Precision Instruments  
Holdings [Line Items]  
Percent of Net Asset Value 21.30%
C000184318 | IT & Services & Others  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000184318 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000184318 | Raw Materials & Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000184318 | Financials Ex-Banks  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000184318 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000184318 | Commercial & Wholesale Trade  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000184318 | Automobiles & Transportation Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000184318 | Retail Trade  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000184318 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000225810 | Mitsubishi UFJ Financial Group  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000225810 | Recruit Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000225810 | Toyota Motor  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000225810 | ORIX  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000225810 | Renesas Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000225810 | Sumitomo  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000225810 | MS&AD Insurance Group Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000225810 | Resona Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000225810 | Sony Group  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000225810 | Hitachi  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000225810 | Electric Appliances & Precision Instruments  
Holdings [Line Items]  
Percent of Net Asset Value 21.30%
C000225810 | IT & Services & Others  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000225810 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000225810 | Raw Materials & Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000225810 | Financials Ex-Banks  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000225810 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000225810 | Commercial & Wholesale Trade  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000225810 | Automobiles & Transportation Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000225810 | Retail Trade  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000225810 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%