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Revenue - Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2023 | Oct. 31, 2022 | Jan. 31, 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Deferred revenue | $ 320,800,000 |  | $ 320,800,000 |  | $ 460,300,000
Percent of revenue recognized from deferred revenue |  |  | 31.00% | 30.00% |
Remaining performance obligation, percentage | 53.00% |  | 53.00% |  |
Unbilled contracts receivable | $ 21,700,000 |  | $ 21,700,000 |  | 9,700,000
Deferred commissions | 269,600,000 |  | 269,600,000 |  | $ 252,400,000
Amortization of deferred commissions | 25,300,000 | $ 20,700,000 | 72,800,000 | $ 57,300,000 |
Impairment loss | 0 | $ 0 | 0 | $ 0 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-11-01 |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Remaining performance obligation | $ 514,100,000 |  | $ 514,100,000 |  |
Expected timing of satisfaction of remaining performance obligation | 12 months |  | 12 months |  |

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