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Commitments and Contingencies (Details) $ in Thousands						12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Nov. 17, 2021 lawsuit	Oct. 21, 2021 USD ($)	Jul. 30, 2020 officer	Jun. 11, 2020 officer	Apr. 08, 2020 officer	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Other Commitments [Line Items]
Purchase obligations with term of less than 12 months						$ 227,200
Purchase obligations with terms of greater than 12 months						159,400
Sales and other tax liabilities						87,200	$ 85,600
Sales and other tax liabilities, current						33,300	27,500
Sales and other tax liabilities, noncurrent						53,916	$ 58,133
Loss contingency, number of defendants \| lawsuit	3
Violation Of Securities Act Section 10(b), 20(a), and Rule 10b-5
Other Commitments [Line Items]
Loss contingency, number of defendants \| officer			8	9	2
U.S. Privacy Class Actions
Other Commitments [Line Items]
Payments for legal settlements		$ 85,000
Loss Contingency, Loss in Period						$ 66,900