Segment Reporting - Segment Operating Income (Loss) and Income (Loss) Before Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended	15 Months Ended	51 Months Ended
	Aug. 01, 2020	May 02, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Feb. 02, 2019	May 02, 2020	Aug. 01, 2020
Segment Reporting Information
Income (loss) from operations	$ 136,568		$ 103,981	$ 172,021	$ 172,614
Asset impairments and change in useful lives	(1,339)		(2,545)	(9,810)	(6,021)
Loss on sale leaseback transaction	(9,352)			(9,352)
Reorganization related costs	(2,884)			(7,027)
Recall accrual	(4,780)		320	(4,780)	1,935
Legal settlements			1,193		1,193
Interest expense-net	19,418		24,513	39,047	45,631
Tradename impairment charge				20,459			$ 35,100	$ 35,100
Gain on extinguishment of debt	(152)		(954)	(152)	(954)
Income before income taxes	117,302		80,422	112,667	127,937
Waterworks
Segment Reporting Information
Tradename impairment charge		$ 20,500		20,459		$ 14,600
Operating segments | RH Segment
Segment Reporting Information
Income (loss) from operations	153,350		104,093	202,867	173,493
Operating segments | Waterworks
Segment Reporting Information
Income (loss) from operations	$ 1,573		$ 920	$ 123	$ 2,014