Quarterly Financial Data (Unaudited) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended								12 Months Ended
	Apr. 04, 2014	Jan. 30, 2015	Oct. 31, 2014	Aug. 01, 2014	May 02, 2014	Jan. 31, 2014	Nov. 01, 2013	Aug. 02, 2013	May 03, 2013	Jan. 30, 2015	Jan. 31, 2014	Feb. 01, 2013
Quarterly Financial Information Disclosure [Abstract]
Merchandise sales and services, net		$ 504,566	$ 373,082	$ 347,222	$ 330,483	$ 530,428	$ 383,852	$ 329,561	$ 319,035	$ 1,555,353	$ 1,562,876	$ 1,585,927
Gross margin		222,208	183,295	168,406	162,022	231,625	174,450	149,674	154,588
Operating income		60,453	35,098	25,298	18,794	74,724	23,271	18,386	11,960	139,643	128,341	82,003
Net income		$ 33,095	$ 17,991	$ 11,845	$ 10,868	$ 45,943	$ 14,279	$ 11,289	$ 7,336	$ 73,799	$ 78,847	$ 49,827
Basic earnings per share (in dollars per share)		$ 1.04	$ 0.56	$ 0.37	$ 0.34					$ 2.31	$ 2.47	$ 1.56
Diluted earnings per share (in dollars per share)		$ 1.03	$ 0.56	$ 0.37	$ 0.34					$ 2.31	$ 2.47	$ 1.56
Basic and diluted earnings per common share (in dollars per share)						$ 1.44	$ 0.45	$ 0.35	$ 0.23
Merchandise sales and services, net to net sales, percentage		100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Gross margin to net sales, percentage		44.00%	49.10%	48.50%	49.00%	43.70%	45.40%	45.40%	48.50%
Operating income to net sales, percentage		12.00%	9.40%	7.30%	5.70%	14.10%	6.10%	5.60%	3.70%
Net income to net sales, percentage		6.60%	4.80%	3.40%	3.30%	8.70%	3.70%	3.40%	2.30%
Number of common stock shares expected to be distributed by former parent company	31,956,521									31,957,000	31,957,000	31,957,000
Number of dilutive securities (shares)											0