Goodwill, Tradenames, Trademarks and Other Intangible Assets - Waterworks Tradename Impairment (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	May 02, 2020	Jul. 31, 2021	Aug. 01, 2020	Jan. 30, 2021	Feb. 02, 2019
Indefinite Lived Intangible Assets By Major Class [Line Items]
Impaired Intangible Asset, Facts and Circumstances Leading to Impairment	COVID-19 health crisis and related Showroom closures and slowdown in construction activity
Impaired Intangible Asset, Description	We performed an interim impairment test on the Waterworks tradename and the estimated future cash flows of the Waterworks reporting unit indicated the fair value of the tradename asset was below its carrying amount.
Impaired Intangible Asset, Method for Fair Value Determination	We determined fair value utilizing a discounted cash flow methodology under the relief-from-royalty method. Significant assumptions under this method include forecasted net revenues and the estimated royalty rate, expressed as a percentage of revenues, in addition to the discount rate based on the weighted-average cost of capital.
Non-cash impairment charge			$ 20,459
Waterworks
Indefinite Lived Intangible Assets By Major Class [Line Items]
Non-cash impairment charge	$ 20,500	$ 35,100		$ 20,500	$ 14,600