Commitments and Contingencies (Details) $ in Millions							3 Months Ended		9 Months Ended
	Oct. 17, 2022 objector	May 19, 2022 objector	Oct. 21, 2021 USD ($)	Jul. 30, 2020 officer	Jun. 11, 2020 officer	Apr. 08, 2020 officer	Oct. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)	Oct. 31, 2023 USD ($)	Jul. 17, 2023 USD ($)	Jan. 31, 2023 USD ($)	Nov. 17, 2021 lawsuit
Other Commitments [Line Items]
Purchase obligations with terms of greater than 12 months							$ 520.0		$ 520.0
Number of derivative lawsuits | lawsuit												3
Pending Litigation | Violation Of Securities Act Section 10(b), 20(a), and Rule 10b-5
Other Commitments [Line Items]
Amount of payment agreed upon										$ 150.0
Settled Litigation | Violation Of Securities Act Section 10(b), 20(a), and Rule 10b-5
Other Commitments [Line Items]
Payments for legal settlements								$ 60.0
Payments for legal settlements, gross								150.0
Payments for legal settlements, net of insurance payment								$ 90.0
Loss contingency accrual											$ 7.5
Aggregate legal settlement charge							$ 0.0		$ 52.5
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]
Loss contingency, number of defendants | objector	3	2
Payments for legal settlements			$ 85.0