v3.26.1
Expense Example - World Mutual Funds Prospectus
Apr. 01, 2026
USD ($)
Emerging Markets Fund | Emerging Markets Fund, Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 129
Expense Example, with Redemption, 3 Years 400
Expense Example, with Redemption, 5 Years 692
Expense Example, with Redemption, 10 Years 1,522
Emerging Markets Fund | Emerging Markets Fund, I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 108
Expense Example, with Redemption, 3 Years 338
Expense Example, with Redemption, 5 Years 585
Expense Example, with Redemption, 10 Years 1,294
Emerging Markets Fund | Emerging Markets Fund, Y Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 291
Expense Example, with Redemption, 5 Years 504
Expense Example, with Redemption, 10 Years 1,120
Emerging Markets Fund | Emerging Markets Fund, A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 720
Expense Example, with Redemption, 3 Years 1,025
Expense Example, with Redemption, 5 Years 1,352
Expense Example, with Redemption, 10 Years 2,272
Emerging Markets Fund | Emerging Markets Fund, C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 230
Expense Example, with Redemption, 3 Years 707
Expense Example, with Redemption, 5 Years 1,211
Expense Example, with Redemption, 10 Years 2,403
Emerging Markets Fund | Emerging Markets Fund, R Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 179
Expense Example, with Redemption, 3 Years 555
Expense Example, with Redemption, 5 Years 955
Expense Example, with Redemption, 10 Years 2,071
Emerging Markets Fund | Emerging Markets Fund, R5 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 108
Expense Example, with Redemption, 3 Years 338
Expense Example, with Redemption, 5 Years 585
Expense Example, with Redemption, 10 Years 1,294
Emerging Markets Fund | Emerging Markets Fund, R6 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 291
Expense Example, with Redemption, 5 Years 504
Expense Example, with Redemption, 10 Years 1,120
Emerging Markets Fund | Emerging Markets Fund, G Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 1
Expense Example, with Redemption, 3 Years 3
Expense Example, with Redemption, 5 Years 6
Expense Example, with Redemption, 10 Years 13
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 112
Expense Example, with Redemption, 3 Years 350
Expense Example, with Redemption, 5 Years 607
Expense Example, with Redemption, 10 Years 1,340
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 287
Expense Example, with Redemption, 5 Years 499
Expense Example, with Redemption, 10 Years 1,108
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, Y CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 240
Expense Example, with Redemption, 5 Years 417
Expense Example, with Redemption, 10 Years 931
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 705
Expense Example, with Redemption, 3 Years 979
Expense Example, with Redemption, 5 Years 1,273
Expense Example, with Redemption, 10 Years 2,105
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 214
Expense Example, with Redemption, 3 Years 659
Expense Example, with Redemption, 5 Years 1,130
Expense Example, with Redemption, 10 Years 2,237
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 163
Expense Example, with Redemption, 3 Years 506
Expense Example, with Redemption, 5 Years 872
Expense Example, with Redemption, 10 Years 1,899
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, R5 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 287
Expense Example, with Redemption, 5 Years 499
Expense Example, with Redemption, 10 Years 1,108
Focused Global Growth Fund | FOCUSED GLOBAL GROWTH FUND, R6 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 240
Expense Example, with Redemption, 5 Years 417
Expense Example, with Redemption, 10 Years 931
Focused International Growth Fund | Focused International Growth Fund, Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 112
Expense Example, with Redemption, 3 Years 350
Expense Example, with Redemption, 5 Years 607
Expense Example, with Redemption, 10 Years 1,340
Focused International Growth Fund | Focused International Growth Fund, I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 287
Expense Example, with Redemption, 5 Years 499
Expense Example, with Redemption, 10 Years 1,108
Focused International Growth Fund | Focused International Growth Fund, A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 705
Expense Example, with Redemption, 3 Years 979
Expense Example, with Redemption, 5 Years 1,273
Expense Example, with Redemption, 10 Years 2,105
Focused International Growth Fund | Focused International Growth Fund, C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 214
Expense Example, with Redemption, 3 Years 659
Expense Example, with Redemption, 5 Years 1,130
Expense Example, with Redemption, 10 Years 2,237
Focused International Growth Fund | Focused International Growth Fund, R Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 163
Expense Example, with Redemption, 3 Years 506
Expense Example, with Redemption, 5 Years 872
Expense Example, with Redemption, 10 Years 1,899
Focused International Growth Fund | Focused International Growth Fund, R6 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 240
Expense Example, with Redemption, 5 Years 417
Expense Example, with Redemption, 10 Years 931
Focused International Growth Fund | Focused International Growth Fund, G Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 1
Expense Example, with Redemption, 3 Years 3
Expense Example, with Redemption, 5 Years 6
Expense Example, with Redemption, 10 Years 13
Global Small Cap Fund | Global Small Cap Fund, Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 113
Expense Example, with Redemption, 3 Years 353
Expense Example, with Redemption, 5 Years 612
Expense Example, with Redemption, 10 Years 1,351
Global Small Cap Fund | Global Small Cap Fund, I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 93
Expense Example, with Redemption, 3 Years 291
Expense Example, with Redemption, 5 Years 504
Expense Example, with Redemption, 10 Years 1,120
Global Small Cap Fund | Global Small Cap Fund, A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 706
Expense Example, with Redemption, 3 Years 982
Expense Example, with Redemption, 5 Years 1,278
Expense Example, with Redemption, 10 Years 2,115
Global Small Cap Fund | Global Small Cap Fund, C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 215
Expense Example, with Redemption, 3 Years 662
Expense Example, with Redemption, 5 Years 1,135
Expense Example, with Redemption, 10 Years 2,247
Global Small Cap Fund | Global Small Cap Fund, R Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 164
Expense Example, with Redemption, 3 Years 509
Expense Example, with Redemption, 5 Years 877
Expense Example, with Redemption, 10 Years 1,909
Global Small Cap Fund | Global Small Cap Fund, R6 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 78
Expense Example, with Redemption, 3 Years 243
Expense Example, with Redemption, 5 Years 423
Expense Example, with Redemption, 10 Years 943
International Growth Fund | International Growth Fund, Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 122
Expense Example, with Redemption, 3 Years 385
Expense Example, with Redemption, 5 Years 668
Expense Example, with Redemption, 10 Years 1,474
International Growth Fund | International Growth Fund, I Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 101
Expense Example, with Redemption, 3 Years 322
Expense Example, with Redemption, 5 Years 561
Expense Example, with Redemption, 10 Years 1,245
International Growth Fund | International Growth Fund, Y Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 275
Expense Example, with Redemption, 5 Years 480
Expense Example, with Redemption, 10 Years 1,070
International Growth Fund | International Growth Fund, A Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 713
Expense Example, with Redemption, 3 Years 1,011
Expense Example, with Redemption, 5 Years 1,330
Expense Example, with Redemption, 10 Years 2,228
International Growth Fund | International Growth Fund, C Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 223
Expense Example, with Redemption, 3 Years 692
Expense Example, with Redemption, 5 Years 1,188
Expense Example, with Redemption, 10 Years 2,360
International Growth Fund | International Growth Fund, R Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 172
Expense Example, with Redemption, 3 Years 540
Expense Example, with Redemption, 5 Years 931
Expense Example, with Redemption, 10 Years 2,026
International Growth Fund | International Growth Fund, R5 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 101
Expense Example, with Redemption, 3 Years 322
Expense Example, with Redemption, 5 Years 561
Expense Example, with Redemption, 10 Years 1,245
International Growth Fund | International Growth Fund, R6 Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 275
Expense Example, with Redemption, 5 Years 480
Expense Example, with Redemption, 10 Years 1,070
International Growth Fund | International Growth Fund, G Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 2
Expense Example, with Redemption, 3 Years 6
Expense Example, with Redemption, 5 Years 11
Expense Example, with Redemption, 10 Years 26
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 149
Expense Example, with Redemption, 3 Years 473
Expense Example, with Redemption, 5 Years 820
Expense Example, with Redemption, 10 Years 1,796
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 129
Expense Example, with Redemption, 3 Years 411
Expense Example, with Redemption, 5 Years 714
Expense Example, with Redemption, 10 Years 1,574
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 739
Expense Example, with Redemption, 3 Years 1,094
Expense Example, with Redemption, 5 Years 1,471
Expense Example, with Redemption, 10 Years 2,523
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 250
Expense Example, with Redemption, 3 Years 778
Expense Example, with Redemption, 5 Years 1,332
Expense Example, with Redemption, 10 Years 2,654
International Opportunities Fund | INTERNATIONAL OPPORTUNITIES FUND, R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 199
Expense Example, with Redemption, 3 Years 627
Expense Example, with Redemption, 5 Years 1,079
Expense Example, with Redemption, 10 Years 2,331
International Small-Mid Cap Fund | International Small-Mid Cap Fund, Investor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 145
Expense Example, with Redemption, 3 Years 456
Expense Example, with Redemption, 5 Years 790
Expense Example, with Redemption, 10 Years 1,732
International Small-Mid Cap Fund | International Small-Mid Cap Fund, G Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 2
Expense Example, with Redemption, 3 Years 6
Expense Example, with Redemption, 5 Years 11
Expense Example, with Redemption, 10 Years 26
International Value Fund | INTERNATIONAL VALUE FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 114
Expense Example, with Redemption, 3 Years 357
Expense Example, with Redemption, 5 Years 618
Expense Example, with Redemption, 10 Years 1,363
International Value Fund | INTERNATIONAL VALUE FUND, I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 94
Expense Example, with Redemption, 3 Years 294
Expense Example, with Redemption, 5 Years 510
Expense Example, with Redemption, 10 Years 1,131
International Value Fund | INTERNATIONAL VALUE FUND, A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 707
Expense Example, with Redemption, 3 Years 985
Expense Example, with Redemption, 5 Years 1,283
Expense Example, with Redemption, 10 Years 2,126
International Value Fund | INTERNATIONAL VALUE FUND, C CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 216
Expense Example, with Redemption, 3 Years 665
Expense Example, with Redemption, 5 Years 1,140
Expense Example, with Redemption, 10 Years 2,258
International Value Fund | INTERNATIONAL VALUE FUND, R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 165
Expense Example, with Redemption, 3 Years 512
Expense Example, with Redemption, 5 Years 882
Expense Example, with Redemption, 10 Years 1,920
International Value Fund | INTERNATIONAL VALUE FUND, R6 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 79
Expense Example, with Redemption, 3 Years 246
Expense Example, with Redemption, 5 Years 428
Expense Example, with Redemption, 10 Years 955
International Value Fund | INTERNATIONAL VALUE FUND, G CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 2
Expense Example, with Redemption, 3 Years 6
Expense Example, with Redemption, 5 Years 11
Expense Example, with Redemption, 10 Years 26
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, INVESTOR CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 121
Expense Example, with Redemption, 3 Years 375
Expense Example, with Redemption, 5 Years 650
Expense Example, with Redemption, 10 Years 1,431
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, I CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 100
Expense Example, with Redemption, 3 Years 313
Expense Example, with Redemption, 5 Years 542
Expense Example, with Redemption, 10 Years 1,201
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, A CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 712
Expense Example, with Redemption, 3 Years 1,002
Expense Example, with Redemption, 5 Years 1,312
Expense Example, with Redemption, 10 Years 2,189
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, R CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 171
Expense Example, with Redemption, 3 Years 530
Expense Example, with Redemption, 5 Years 913
Expense Example, with Redemption, 10 Years 1,985
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, R6 CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 85
Expense Example, with Redemption, 3 Years 265
Expense Example, with Redemption, 5 Years 461
Expense Example, with Redemption, 10 Years 1,026
Non-U.S. Intrinsic Value Fund | NON-U.S. INTRINSIC VALUE FUND, G CLASS  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 3
Expense Example, with Redemption, 3 Years 10
Expense Example, with Redemption, 5 Years 17
Expense Example, with Redemption, 10 Years $ 39