Segment Reporting - Summary of Statements of Operations Metrics Reviewed by CODM to Evaluate Performance Internally or As required under ASC 280 - Segment Reporting (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]
Net revenues	$ 636,558	$ 592,473	$ 1,834,762	$ 1,769,879
Gross profit	254,511	214,325	738,146	590,394
Depreciation and amortization	18,377	18,546	53,180	51,092
RH Segment [Member]
Segment Reporting Information [Line Items]
Net revenues	604,322	563,174	1,737,933	1,680,495
Gross profit	241,124	203,221	698,340	555,844
Depreciation and amortization	17,121	17,474	49,694	47,761
Waterworks [Member]
Segment Reporting Information [Line Items]
Net revenues	32,236	29,299	96,829	89,384
Gross profit	13,387	11,104	39,806	34,550
Depreciation and amortization	$ 1,256	$ 1,072	$ 3,486	$ 3,331

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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