Segment Reporting - Schedule of Segment Operating Income (Loss) and Income (Loss) Before Tax (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017	Nov. 03, 2018	Oct. 28, 2017
Segment Reporting Information [Line Items]
Operating income (loss)	$ 47,016	$ 43,162	$ 185,992	$ 62,181
Reorganization related costs	(7,564)	(1,029)	(9,285)	(1,029)
Asset impairments and lease losses	(3,411)		(3,411)
Recall accrual	(3,986)	(3,552)	(2,668)	(8,285)
Distribution center closures	(3,850)	(833)	(1,778)	(833)
Impact of inventory step-up		(248)	(380)	(2,108)
Legal settlement			5,289
Non-cash compensation				(23,872)
Gain on sale of building and land		819		2,119
Interest expense—net	19,371	18,915	53,886	45,496
Loss on extinguishment of debt		4,880	917	4,880
Income before income taxes	27,645	19,367	131,189	11,805
Operating Segments [Member] | RH Segment [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	65,807	48,724	198,480	98,332
Operating Segments [Member] | Waterworks [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	$ 20	$ (719)	$ (255)	$ (2,143)