Revenue - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Jan. 31, 2026 |
|
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |||
| Remaining performance obligations | $ 2,300.0 | ||
| Contract assets | 8.0 | $ 10.8 | |
| Revenue recognized that was included in contract liability balance at the beginning of the period | $ 670.6 | $ 610.3 | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-05-01 | |||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |||
| Remaining performance obligation, percentage | 58.00% | ||
| Remaining performance obligations, period of recognition | 12 months | ||