v3.26.3
Janus Henderson High-Yield Fund Expense Example - Class A C S I N R T Shares [Member] - Janus Henderson High-Yield Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 565
Expense Example, with Redemption, 3 Years 768
Expense Example, with Redemption, 5 Years 986
Expense Example, with Redemption, 10 Years 1,615
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 273
Expense Example, with Redemption, 3 Years 569
Expense Example, with Redemption, 5 Years 991
Expense Example, with Redemption, 10 Years 1,936
Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 115
Expense Example, with Redemption, 3 Years 451
Expense Example, with Redemption, 5 Years 809
Expense Example, with Redemption, 10 Years 1,820
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 78
Expense Example, with Redemption, 3 Years 254
Expense Example, with Redemption, 5 Years 445
Expense Example, with Redemption, 10 Years 997
Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 64
Expense Example, with Redemption, 3 Years 213
Expense Example, with Redemption, 5 Years 374
Expense Example, with Redemption, 10 Years 842
Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 140
Expense Example, with Redemption, 3 Years 479
Expense Example, with Redemption, 5 Years 842
Expense Example, with Redemption, 10 Years 1,861
Class T  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 90
Expense Example, with Redemption, 3 Years 289
Expense Example, with Redemption, 5 Years 505
Expense Example, with Redemption, 10 Years $ 1,128