v3.26.3
Janus Henderson Flexible Bond Fund Expense Example - Class A C S I N R T Shares [Member] - Janus Henderson Flexible Bond Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 552
Expense Example, with Redemption, 3 Years 730
Expense Example, with Redemption, 5 Years 923
Expense Example, with Redemption, 10 Years 1,479
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 250
Expense Example, with Redemption, 3 Years 482
Expense Example, with Redemption, 5 Years 837
Expense Example, with Redemption, 10 Years 1,653
Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 304
Expense Example, with Redemption, 5 Years 534
Expense Example, with Redemption, 10 Years 1,194
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 49
Expense Example, with Redemption, 3 Years 169
Expense Example, with Redemption, 5 Years 300
Expense Example, with Redemption, 10 Years 683
Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 41
Expense Example, with Redemption, 3 Years 144
Expense Example, with Redemption, 5 Years 256
Expense Example, with Redemption, 10 Years 585
Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 117
Expense Example, with Redemption, 3 Years 385
Expense Example, with Redemption, 5 Years 672
Expense Example, with Redemption, 10 Years 1,492
Class T  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 66
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 389
Expense Example, with Redemption, 10 Years $ 877