v3.26.3
Janus Henderson International Dividend Fund Expense Example - Class A C S I N T Shares [Member] - Janus Henderson International Dividend Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 680
Expense Example, with Redemption, 3 Years 930
Expense Example, with Redemption, 5 Years 1,199
Expense Example, with Redemption, 10 Years 1,966
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 288
Expense Example, with Redemption, 3 Years 625
Expense Example, with Redemption, 5 Years 1,089
Expense Example, with Redemption, 10 Years 2,160
Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 129
Expense Example, with Redemption, 3 Years 651
Expense Example, with Redemption, 5 Years 1,199
Expense Example, with Redemption, 10 Years 2,697
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 89
Expense Example, with Redemption, 3 Years 305
Expense Example, with Redemption, 5 Years 540
Expense Example, with Redemption, 10 Years 1,213
Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 79
Expense Example, with Redemption, 3 Years 291
Expense Example, with Redemption, 5 Years 521
Expense Example, with Redemption, 10 Years 1,182
Class T  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 104
Expense Example, with Redemption, 3 Years 357
Expense Example, with Redemption, 5 Years 629
Expense Example, with Redemption, 10 Years $ 1,407