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Stock-Based Compensation - Performance Share Awards and Restricted Stock and Restricted Stock Unit Awards (Details) - $ / shares
3 Months Ended 6 Months Ended
Feb. 01, 2019
Feb. 02, 2018
May 03, 2019
May 04, 2018
Performance share awards        
Stock-Based Compensation        
Performance goal period     3 years  
Weighted-average fair value of awards granted (in dollars per share) $ 59.58 $ 65.40    
Performance share awards | Maximum        
Stock-Based Compensation        
Vesting (as a percent)     200.00%  
Performance share awards | Minimum        
Stock-Based Compensation        
Vesting (as a percent)     0.00%  
Restricted stock and restricted stock unit awards        
Stock-Based Compensation        
Vesting (as a percent)     33.33%  
Vesting period     3 years  
Weighted-average fair value of awards granted (in dollars per share)     $ 64.75 $ 65.82