Commitments and Contingencies - Additional Information (Details) - USD ($)	Feb. 02, 2020	Jan. 31, 2019
Loss Contingencies [Line Items]
Non-cancelable purchase obligation related to software services	$ 36,600,000	$ 21,400,000
Outstanding letters of credit	11,500,000	10,800,000
Loss contingency	0
Letter of Credit
Loss Contingencies [Line Items]
Principal amount		$ 500,000
Convertible Senior Notes
Loss Contingencies [Line Items]
Principal amount	$ 575,000,000.0

Face (par) amount of debt instrument at time of issuance.

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Amount of loss contingency liability.

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Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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