v3.26.3
Janus Henderson Short Duration Flexible Bond Fund Expense Example, No Redemption - Class A C S I N T Shares [Member] - Janus Henderson Short Duration Flexible Bond Fund
Jun. 30, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 310
Expense Example, No Redemption, 3 Years 439
Expense Example, No Redemption, 5 Years 581
Expense Example, No Redemption, 10 Years 992
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 140
Expense Example, No Redemption, 3 Years 452
Expense Example, No Redemption, 5 Years 786
Expense Example, No Redemption, 10 Years 1,500
Class S  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 85
Expense Example, No Redemption, 3 Years 440
Expense Example, No Redemption, 5 Years 820
Expense Example, No Redemption, 10 Years 1,886
Class I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 39
Expense Example, No Redemption, 3 Years 144
Expense Example, No Redemption, 5 Years 259
Expense Example, No Redemption, 10 Years 594
Class N  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 33
Expense Example, No Redemption, 3 Years 114
Expense Example, No Redemption, 5 Years 203
Expense Example, No Redemption, 10 Years 463
Class T  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 58
Expense Example, No Redemption, 3 Years 187
Expense Example, No Redemption, 5 Years 327
Expense Example, No Redemption, 10 Years $ 736