Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 27, 2017	Oct. 28, 2016	Jul. 29, 2016	Apr. 29, 2016	Jan. 29, 2016	Oct. 30, 2015	Jul. 31, 2015	May 01, 2015	Jan. 27, 2017	Jan. 29, 2016	Jan. 30, 2015
Quarterly Financial Information Disclosure [Abstract]
Impairment of Intangible Assets (Excluding Goodwill)									$ 173,000	$ 98,300	$ 0
Net revenue	$ 458,841	$ 311,476	$ 292,010	$ 273,433	$ 473,543	$ 334,434	$ 312,414	$ 299,387	1,335,760	1,419,778	1,555,353
Gross profit	176,935	133,651	136,152	129,670	199,110	162,415	144,500	146,564	576,408	652,589	735,931
Operating income (loss)(2)	(148,434)	(3,423)	2,712	(3,486)	(54,794)	23,297	17,918	8,495	(152,631)	(5,084)	139,643
Net (loss) income	$ (94,821)	$ (7,222)	$ (1,980)	$ (5,759)	$ (39,458)	$ 10,725	$ 7,461	$ 1,724	$ (109,782)	$ (19,548)	$ 73,799
Basic earnings per share (in dollars per share)	$ (2.96)	$ (0.23)	$ (0.06)	$ (0.18)					$ (3.43)	$ (0.61)	$ 2.31
Diluted earnings per share (in dollars per share)	$ (2.96)	$ (0.23)	$ (0.06)	$ (0.18)	$ (1.23)	$ 0.33	$ 0.23	$ 0.05	$ (3.43)	$ (0.61)	$ 2.31
Basic and diluted earnings per common share (in dollars per share)					$ (1.23)	$ 0.34	$ 0.23	$ 0.05
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	38.60%	42.90%	46.60%	47.40%	42.00%	48.60%	46.30%	49.00%
Operating income to net sales, percentage	(32.30%)	(1.10%)	0.90%	(1.30%)	(11.60%)	7.00%	5.70%	2.80%
Net income to net sales, percentage	(20.70%)	(2.30%)	(0.70%)	(2.10%)	(8.30%)	3.20%	2.40%	0.60%
Number of common stock shares expected to be distributed by former parent company									32,021	31,979	31,957