Summary of Business and Significant Accounting Policies - Accounts Receivable, Allowance for Credit Loss (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts receivable, gross	$ 590,610	$ 444,369
Less: Allowance for credit losses	(24,900)	(17,000)	$ (20,500)
Less: Allowance for returns	(8,306)	(7,696)
Accounts receivable, net	$ 557,404	$ 419,673