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Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Feb. 01, 2025
Feb. 03, 2024
Jan. 28, 2023
Stock-based compensation expense      
Number of shares available for future issuance under the plan 6,928,238    
Restricted stock      
Stock-based compensation expense      
Vesting period 3 years    
Unrecognized compensation expense      
Unrecognized stock-based compensation expense related to nonvested awards, net of estimated forfeitures $ 57.0    
Weighted average period over which unrecognized compensation expense is expected to be recognized 1 year 3 months 14 days    
Granted (in dollars per share) $ 209.61 $ 126.11 $ 104.07
Performance-based Restricted Stock      
Unrecognized compensation expense      
Unrecognized stock-based compensation expense related to nonvested awards, net of estimated forfeitures $ 23.4    
Weighted average period over which unrecognized compensation expense is expected to be recognized 9 months 18 days    
Granted (in dollars per share) $ 203.88 $ 146.90 $ 101.32
Stock options      
Stock-based compensation expense      
Vesting rights (as a percent) 25.00%    
Vesting period 4 years    
Expiration terms of options 7 years    
Additional disclosures      
Total intrinsic value of stock options exercised $ 140.7 $ 69.2 $ 71.4
Income tax benefit from the exercise of stock options 16.7 13.7 11.6
Total fair value of stock options vested $ 1.8 $ 3.3 $ 4.9