Segment Reporting - Summary of Segment Operating Income and Income (Loss) Before Tax (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Segment Reporting Information [Line Items]
Operating income (loss)	$ 12,123	$ 22,015	$ 19,019	$ 10,540
Recall accrual	(4,733)		(4,733)
Impact of inventory step-up	(480)	(3,401)	(1,860)	(3,401)
Gain on sale of building and land	1,300		1,300
Reorganization related costs		(3,309)		(4,724)
Acquisition related costs		(778)		(2,847)
Legal claim				(8,701)
Interest expense—net	14,402	10,909	26,581	21,437
Income (loss) before income taxes	(2,279)	11,106	(7,562)	(10,897)
Waterworks [Member]
Segment Reporting Information [Line Items]
Non-cash compensation		(3,672)		(3,672)
RH Segment [Member]
Segment Reporting Information [Line Items]
Non-cash compensation	(23,872)		(23,872)
Operating Segments [Member] | RH Segment [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	39,550	32,317	49,608	33,027
Operating Segments [Member] | Waterworks [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	$ 358	$ 858	$ (1,424)	$ 858