Contract Balances, Performance Obligations and Contract Costs - Contract Costs (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2026 |
Jan. 31, 2025 |
Jan. 31, 2024 |
|
| Contract Balances, Performance Obligations and Contract Costs | |||
| Capitalized contract cost, net total | $ 22.8 | $ 19.0 | |
| Capitalized contract cost, amortization | $ 8.5 | $ 6.9 | $ 6.6 |