Expense Example - Class A C S I N R T Shares - Janus Henderson Flexible Bond Fund	Class A 1 Year	Class A 3 Years	Class A 5 Years	Class A 10 Years	Class C 1 Year	Class C 3 Years	Class C 5 Years	Class C 10 Years	Class S 1 Year	Class S 3 Years	Class S 5 Years	Class S 10 Years	Class I 1 Year	Class I 3 Years	Class I 5 Years	Class I 10 Years	Class N 1 Year	Class N 3 Years	Class N 5 Years	Class N 10 Years	Class R 1 Year	Class R 3 Years	Class R 5 Years	Class R 10 Years	Class T 1 Year	Class T 3 Years	Class T 5 Years	Class T 10 Years
USD ($)	559	736	929	1,485	254	477	824	1,626	97	303	525	1,166	51	160	280	628	44	138	241	542	121	378	654	1,443	69	218	379	847