Revenue, Deferred Revenue and Remaining Performance Obligations - Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2025 |
Jul. 31, 2024 |
Jul. 31, 2025 |
Jul. 31, 2024 |
Jan. 31, 2025 |
|
| Capitalized Contract Cost [Roll Forward] | |||||
| Beginning balance | $ 847,850 | $ 574,655 | $ 847,950 | $ 582,303 | |
| Capitalization of contract acquisition costs | 148,819 | 91,853 | 251,622 | 158,333 | |
| Amortization of deferred contract acquisition costs | (107,038) | (73,723) | (209,941) | (147,851) | |
| Ending balance | 889,631 | 592,785 | 889,631 | 592,785 | |
| Deferred contract acquisition costs, current | 372,543 | 251,246 | 372,543 | 251,246 | $ 347,042 |
| Deferred contract acquisition costs, noncurrent | 517,088 | 341,539 | 517,088 | 341,539 | 500,908 |
| Total deferred contract acquisition costs | $ 889,631 | $ 592,785 | $ 889,631 | $ 592,785 | $ 847,950 |