Revenue Recognition - Other Information (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Apr. 30, 2024 |
Apr. 30, 2023 |
Jan. 31, 2024 |
|
| Capitalized Contract Cost [Line Items] | |||
| Amortization period (in years) | 5 years | ||
| Capitalized costs to obtain customer contracts | $ 132.2 | $ 135.8 | |
| Amortization of costs to obtain customer contracts | 12.1 | $ 12.0 | |
| Revenue recognized previously included in deferred revenue balance | 161.7 | $ 140.9 | |
| Contract assets | 4.0 | 4.3 | |
| Prepaid expenses and other current assets | |||
| Capitalized Contract Cost [Line Items] | |||
| Capitalized costs to obtain customer contracts | 39.5 | 42.5 | |
| Other noncurrent assets | |||
| Capitalized Contract Cost [Line Items] | |||
| Capitalized costs to obtain customer contracts | $ 92.7 | $ 93.4 | |