Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2014	Nov. 01, 2013	Oct. 31, 2014	Nov. 01, 2013
Earnings Per Share [Abstract]
Net income	$ 17,991	$ 14,279	$ 40,704	$ 32,904
Basic weighted average shares outstanding	31,957	31,957	31,957	31,957
Dilutive effect of stock awards	14	0	8	0
Diluted weighted average shares outstanding	31,971	31,957	31,965	31,957
Basic earnings per share	$ 0.56	$ 0.45	$ 1.27	$ 1.03
Diluted earnings per share	$ 0.56	$ 0.45	$ 1.27	$ 1.03