Commitments and Contingencies - Narrative (Details) - USD ($)	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	May 31, 2024	Jan. 31, 2024
Other Commitments [Line Items]
Sublease income	$ 2,400,000	$ 3,100,000
Cost of matching contributions	0	$ 0
Loss contingency accrual	0			$ 0
Letters of credit outstanding	18,700,000
Subsequent Event | New Office Facility Lease In The US
Other Commitments [Line Items]
Lessee, operating lease, liability, to be paid			$ 96,000,000
Minimum
Other Commitments [Line Items]
Loss contingency, range of possible loss	0
Maximum
Other Commitments [Line Items]
Loss contingency, range of possible loss	$ 25,000,000