Stock-Based Compensation - Stock Option Information Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, exercises in period, intrinsic value	$ 146.9	$ 170.1	$ 173.0
Cost not yet recognized, options, amount	$ 23.3