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Earnings (Loss) Per Share (Details 2) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
May 05, 2018
Feb. 03, 2018
Apr. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Feb. 03, 2018
Jun. 26, 2012
Share repurchase program              
Shares repurchased, aggregate cost       $ 17,587,000   $ 56,159,000  
Share Repurchase Program              
Share repurchase program              
Value of common stock authorized to be repurchased             $ 500,000,000
Number of common stock repurchased (in shares) 1,118,808   1,485,195 1,118,808 1,485,195    
Shares repurchased, aggregate cost $ 17,600,000 $ 6,000,000 $ 17,827,000 $ 17,600,000 $ 17,827,000    
Value of common stock remaining to be repurchased       $ 374,600,000