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Quarterly Results (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Jan. 30, 2016
Oct. 31, 2015
Aug. 01, 2015
May. 02, 2015
Jan. 31, 2015
Nov. 01, 2014
Aug. 02, 2014
May. 03, 2014
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Quarterly Results [Abstract]                      
Net sales $ 233,666 $ 269,713 $ 227,822 $ 252,767 $ 227,632 $ 254,687 $ 222,073 $ 235,770 $ 983,968 $ 940,162 $ 884,785
Gross profit 68,236 81,317 66,274 74,689 65,113 76,765 62,219 69,582 290,516 273,679 259,317
Operating income 6,553 15,173 7,877 17,030 4,588 17,792 4,264 15,209 46,633 41,853 43,667
Net income $ 4,168 $ 9,386 $ 4,817 $ 10,396 $ 2,975 $ 10,817 $ 2,584 $ 9,151 $ 28,767 $ 25,527 $ 26,871
Net income per share - Basic $ 0.21 [1] $ 0.47 [1] $ 0.24 [1] $ 0.52 [1] $ 0.15 [1] $ 0.54 [1] $ 0.13 [1] $ 0.45 [1] $ 1.45 $ 1.27 $ 1.33
Net income per share - Diluted $ 0.21 [1] $ 0.47 [1] $ 0.24 [1] $ 0.52 [1] $ 0.15 [1] $ 0.54 [1] $ 0.13 [1] $ 0.45 [1] 1.45 1.27 1.32
Cash dividend paid per share                 $ 0.255 $ 0.24 $ 0.24
[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.