Quarterly Financial Data (Unaudited) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Jan. 31, 2015
Nov. 01, 2014
Aug. 02, 2014
May 03, 2014
Feb. 01, 2014
Nov. 02, 2013
Aug. 03, 2013
May 04, 2013
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Quarterly Financial Information Disclosure [Abstract]                      
Net sales $ 725,801 $ 497,608 $ 481,420 $ 460,652 $ 715,880 $ 503,808 $ 490,075 $ 509,362 $ 2,165,481 $ 2,219,125 $ 2,157,227
Gross profit 229,998 157,558 136,025 137,373 229,118 165,265 152,547 170,777 660,954 717,707 742,639
Net income $ 41,790 $ 14,585 $ 6,867 $ 5,083 $ 47,926 $ 19,267 $ 16,909 $ 32,437 $ 68,325 $ 116,539 $ 139,267
Earnings per basic share (USD per share) $ 0.50 $ 0.17 $ 0.08 $ 0.06 $ 0.57 $ 0.23 $ 0.20 $ 0.38 $ 0.81 $ 1.38 $ 1.60
Earnings per diluted share (USD per share) $ 0.49 $ 0.17 $ 0.08 $ 0.06 $ 0.57 $ 0.23 $ 0.20 $ 0.38 $ 0.81 $ 1.37 $ 1.60