Janus Henderson Mid Cap Value Fund Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Class D Shares [Member] | Janus Henderson Mid Cap Value Fund | Class D | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.77% | 13.23% | 11.42% | (5.09%) | 19.54% | (1.35%) | 30.27% | (13.27%) | 14.07% | 18.82% |