Quarterly Financial Data (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jan. 28, 2017
Oct. 29, 2016
Jul. 30, 2016
Apr. 30, 2016
Jan. 30, 2016
Oct. 31, 2015
Aug. 01, 2015
May 02, 2015
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Quarterly Financial Information Disclosure [Abstract]                      
Net sales $ 678,781 $ 506,090 $ 504,767 $ 502,909 $ 765,553 $ 546,616 $ 535,582 $ 502,378 $ 2,192,547 $ 2,350,129 $ 2,165,481
Gross profit 192,820 151,717 150,919 167,748 260,554 191,089 177,190 166,444 663,204 795,277 660,954
Net income $ 22,774 $ 11,617 $ 10,144 $ 12,882 $ 56,116 $ 26,307 $ 21,028 $ 13,062 $ 57,417 $ 116,513 $ 68,325
Earnings per basic share (USD per share) $ 0.29 $ 0.15 $ 0.13 $ 0.16 $ 0.68 $ 0.31 $ 0.25 $ 0.15 $ 0.73 $ 1.39 $ 0.81
Earnings per diluted share (USD per share) $ 0.29 $ 0.15 $ 0.13 $ 0.16 $ 0.67 $ 0.31 $ 0.25 $ 0.15 $ 0.73 $ 1.38 $ 0.81