Revenue, Deferred Revenue and Remaining Performance Obligations - Schedule of Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Jan. 31, 2026 |
|
| Capitalized Contract Cost [Roll Forward] | |||
| Beginning balance | $ 1,103,113 | $ 847,950 | |
| Capitalization of contract acquisition costs | 92,812 | 102,803 | |
| Amortization of deferred contract acquisition costs | (98,856) | (102,903) | |
| Ending balance | 1,097,069 | 847,850 | |
| Deferred contract acquisition costs, current | 353,869 | 351,805 | $ 447,455 |
| Deferred contract acquisition costs, noncurrent | 743,200 | 496,045 | 655,658 |
| Total deferred contract acquisition costs | $ 1,097,069 | $ 847,850 | $ 1,103,113 |