Business and Summary of Significant Accounting Policies - Foreign Currency Translation and Transactions (Details)	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Accounting Policies [Abstract]
Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	Interest and other income, net	Interest and other income, net	Interest and other income, net