Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended								12 Months Ended
	Feb. 01, 2019	Nov. 02, 2018	Aug. 03, 2018	May 04, 2018	Feb. 02, 2018	Oct. 27, 2017	Jul. 28, 2017	Apr. 28, 2017	Feb. 01, 2019	Feb. 02, 2018	Jan. 27, 2017
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 502,252,000	$ 341,570,000	$ 307,945,000	$ 299,825,000	$ 510,633,000	$ 325,489,000	$ 302,190,000	$ 268,365,000	$ 1,451,592,000	$ 1,406,677,000	$ 1,335,760,000
Impairment of Intangible Assets (Excluding Goodwill)									0	0	173,000,000
Gross profit	195,303,000	150,962,000	136,766,000	133,025,000	198,421,000	141,974,000	134,165,000	122,643,000	616,056,000	597,203,000	576,408,000
Operating income	30,712,000	8,485,000	875,000	2,527,000	29,690,000	5,941,000	174,000	(6,720,000)	42,599,000	29,085,000	(152,631,000)
Net income (loss)	$ 16,211,000	$ 3,294,000	$ (5,285,000)	$ (2,630,000)	$ 39,752,000	$ 162,000	$ (3,880,000)	$ (7,839,000)	$ 11,590,000	$ 28,195,000	$ (109,782,000)
Basic earnings per share (in dollars per share)	$ 0.50	$ 0.10	$ (0.16)	$ (0.08)					$ 0.36	$ 0.88	$ (3.43)
Diluted earnings per share (in dollars per share)	$ 0.50	$ 0.10	$ (0.16)	$ (0.08)	$ 1.24	$ 0.01	$ (0.12)	$ (0.24)	$ 0.36	$ 0.88	$ (3.43)
Basic and diluted earnings per common share (in dollars per share)					$ 1.24	$ 0.01	$ (0.12)	$ (0.24)
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	38.90%	44.20%	44.40%	44.40%	38.90%	43.60%	44.40%	45.70%
Operating income to net sales, percentage	6.10%	2.50%	0.30%	0.80%	5.80%	1.80%	0.10%	(2.50%)
Net income to net sales, percentage	3.20%	1.00%	(1.70%)	(0.90%)	7.80%	0.00%	(1.30%)	(2.90%)
Number of common stock shares expected to be distributed by former parent company									32,190	32,076	32,021