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Stock Incentive Plan - Additional Information (Detail)
$ / shares in Units, $ in Millions
12 Months Ended
Nov. 06, 2018
Feb. 01, 2020
USD ($)
$ / shares
shares
Feb. 02, 2019
USD ($)
$ / shares
shares
Feb. 03, 2018
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares approved for issuance under Stock Incentive Plan   695,700,000    
Shares available for future grants   40,100,000    
Stock split ratio, common stock 2      
Compensation cost related to share-based compensation | $   $ 125.0 $ 103.6 $ 101.4
Unrecognized compensation cost related to nonvested share-based compensation | $   $ 149.4    
Unrecognized compensation cost weighted-average recognition period, years   2 years    
Options granted at market price in percentage   100.00%    
Vesting period of grant, years   3 years    
Term in which vesting period starts after grant, years   1 year    
Maximum term of grant, years   8 years 9 months 18 days    
Intrinsic value of options exercised | $   $ 292.7 $ 284.4 $ 176.7
Options outstanding expected to vest represents total unvested options adjusted for anticipated forfeitures   12,800,000    
Performance-based stock, granted (in shares)   1,001,849 1,267,802 1,124,012
Shares granted weighted average grant date fair value (dollars per share) | $ / shares   $ 53.20 $ 41.17 $ 38.36
Fair value of performance-based restricted stock that vested | $   $ 38.4 $ 30.1 $ 35.2
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Performance-based restricted stock and other awards, period   3 years    
Stock Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Deferred shares outstanding   635,974    
Stock Option Plan | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum term of grant, years   10 years