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Quarterly Results (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. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Quarterly Financial Information Disclosure [Abstract]                        
Net sales $ 234,201 $ 274,524 $ 231,907 $ 260,470 $ 233,666 $ 269,713 $ 227,822 $ 252,767 $ 1,001,102   $ 983,968 $ 940,162
Gross profit 64,439 82,010 67,230 75,556 68,236 81,317 66,274 74,689 289,235   290,516 273,679
Operating income (1,485) 15,452 6,660 17,285 6,553 15,173 7,877 17,030 37,912   46,633 41,853
Net income $ (920) $ 9,672 $ 4,104 $ 10,661 $ 4,168 $ 9,386 $ 4,817 $ 10,396 $ 23,517 $ 23,517 $ 28,767 $ 25,527
Net income per share - Basic $ (0.05) [1] $ 0.54 [1] $ 0.22 [1] $ 0.56 [1] $ 0.21 [1] $ 0.47 [1] $ 0.24 [1] $ 0.52 [1] $ 1.28   $ 1.45 $ 1.27
Net income per share - Diluted $ (0.05) [1] $ 0.54 [1] $ 0.22 [1] $ 0.56 [1] $ 0.21 [1] $ 0.47 [1] $ 0.24 [1] $ 0.52 [1] $ 1.28   $ 1.45 $ 1.27
[1] Per share amounts are computed independently for each of the quarters presented. The sum of the quarters may not equal the total year due to the impact of changes in weighted shares outstanding and differing applications of earnings under the two-class method.