Segment Reporting - Schedule of Segment Operating Income (Loss) and Income (Loss) Before Tax (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
Segment Reporting Information [Line Items]
Operating income (loss)	$ 85,375	$ 12,123	$ 138,976	$ 19,019
Legal settlement	7,204		5,289
Distribution center closures			2,072
Recall accrual	1,064	(4,733)	1,318	(4,733)
Reorganization related costs	(1,721)		(1,721)
Impact of inventory step-up	(190)	(480)	(380)	(1,860)
Non-cash compensation		(23,872)		(23,872)
Gain on sale of building and land		1,300		1,300
Interest expense—net	17,480	14,402	34,515	26,581
Loss on extinguishment of debt	917		917
Income (loss) before income taxes	66,978	(2,279)	103,544	(7,562)
Operating Segments [Member] | RH Segment [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	78,777	39,550	132,673	49,608
Operating Segments [Member] | Waterworks [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	$ 241	$ 358	$ (275)	$ (1,424)