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Stock-Based Compensation - Intrinsic value of stock options (Details) - Stock options - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2026
Feb. 01, 2025
Feb. 03, 2024
Stock-Based Compensation and Employee Stock Plans      
Total intrinsic value of stock options exercised $ 17.3 $ 140.7 $ 69.2
Income tax benefit from the exercise of stock options 1.3 16.7 13.7
Total fair value of stock options vested $ 0.0 $ 1.8 $ 3.3