Stockholders' Equity (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 03, 2019
May 04, 2019
Aug. 04, 2018
May 05, 2018
Aug. 03, 2019
Feb. 02, 2019
Nov. 28, 2017
Class of Stock [Line Items]              
Stock repurchase program, authorized amount             $ 150,000,000
Treasury stock, value, acquired $ 4,000 $ 6,387,000 $ 16,396,000 $ 18,245,000      
Stock repurchase program, remaining authorized amount $ 44,700,000       $ 44,700,000    
Share Repurchase Program 2017 [Member]              
Class of Stock [Line Items]              
Treasury stock, acquired (in shares) 0       900,000 10,000,000  
Treasury stock, value, acquired         $ 4,900,000 $ 83,200,000