Equity - Restricted Stock Units and Restricted Stock Awards, Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount	$ 8.3
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of awards vested	466.5	$ 462.2	$ 429.5
Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount	$ 1,000.0
Share-based compensation, period for recognition	2 years 8 months 23 days
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of awards vested	$ 23.7
Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount	$ 32.8
Share-based compensation, period for recognition	1 year 5 months 1 day