v3.26.3
Janus Henderson Adaptive Risk Managed U.S. Equity Fund Expense Example - Class A C S I N T Shares [Member] - Janus Henderson Adaptive Risk Managed U.S. Equity Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 660
Expense Example, with Redemption, 3 Years 840
Expense Example, with Redemption, 5 Years 1,035
Expense Example, with Redemption, 10 Years 1,597
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 271
Expense Example, with Redemption, 3 Years 538
Expense Example, with Redemption, 5 Years 930
Expense Example, with Redemption, 10 Years 1,804
Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 111
Expense Example, with Redemption, 3 Years 351
Expense Example, with Redemption, 5 Years 610
Expense Example, with Redemption, 10 Years 1,350
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 67
Expense Example, with Redemption, 3 Years 211
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 822
Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 58
Expense Example, with Redemption, 3 Years 183
Expense Example, with Redemption, 5 Years 318
Expense Example, with Redemption, 10 Years 714
Class T  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 83
Expense Example, with Redemption, 3 Years 259
Expense Example, with Redemption, 5 Years 450
Expense Example, with Redemption, 10 Years $ 1,002