Revenue Recognition (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2021 |
Jul. 31, 2020 |
Jul. 31, 2021 |
Jul. 31, 2020 |
Jan. 31, 2021 |
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| Capitalized Contract Cost [Line Items] | |||||
| Capitalized costs to obtain customer contracts | $ 51.9 | $ 37.3 | $ 51.9 | $ 37.3 | |
| Amortization of costs to obtain customer contracts | 7.1 | 5.0 | 13.7 | 9.8 | |
| Revenue recognized previously included in deferred revenue balance | 96.9 | 78.7 | 153.5 | 124.6 | |
| Contract assets | 1.6 | 1.6 | $ 0.8 | ||
| Prepaid expenses and other current assets | |||||
| Capitalized Contract Cost [Line Items] | |||||
| Capitalized costs to obtain customer contracts | 26.6 | 20.0 | 26.6 | 20.0 | |
| Other noncurrent assets | |||||
| Capitalized Contract Cost [Line Items] | |||||
| Capitalized costs to obtain customer contracts | $ 25.3 | $ 17.3 | $ 25.3 | $ 17.3 | |
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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