Restructuring - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended		15 Months Ended
	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ 3,567	$ 4,474
Accrued expenses and other current liabilities	$ 83,031	123,716	83,031	$ 123,716
Stock-based compensation expense (benefit)		(337)	787
Severance Costs		3,904	3,687
2025 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of positions eliminated, period percent	5.00%
Restructuring costs		2,200		6,700
Accrued expenses and other current liabilities	$ 3,700		$ 3,700
Stock-based compensation expense (benefit)				700
Severance Costs				$ 6,000
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring costs		1,400
Stock-based compensation expense (benefit)		(200)
Severance Costs		$ 1,600