Balance Sheet Components - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Depreciation and amortization expense	$ 27.3	$ 28.9	$ 55.6	$ 60.9