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Segment Reporting - Statements of Operations Metrics Reviewed by CODM to Evaluate Performance Internally or as Required under ASC 280 (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Segment Reporting Information
Net revenues									$ 2,647,437	$ 2,505,653	$ 2,440,174
Gross profit	$ 283,073	$ 284,166	$ 294,958	$ 232,814	$ 257,879	$ 250,021	$ 268,344	$ 209,333	1,095,011	985,577	839,298
Depreciation and amortization									100,739	91,372	83,176
RH Segment
Segment Reporting Information
Net revenues									2,514,296	2,375,472	2,319,332
Gross profit									1,038,722	933,805	791,730
Depreciation and amortization									96,148	86,719	78,772
Waterworks
Segment Reporting Information
Net revenues									133,141	130,181	120,842
Gross profit									56,289	51,772	47,568
Depreciation and amortization									$ 4,591	$ 4,653	$ 4,404