Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Segment Reporting - Balance Sheet Metrics as Required Under ASC 280 Footnotes (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	May 02, 2020	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Segment Reporting Information
Goodwill and tradename impairment		$ 20,459		$ 32,086
Waterworks
Segment Reporting Information
Goodwill impairment			$ 51,100	17,400	$ 33,700	$ 51,100
Goodwill and tradename impairment	$ 20,500	$ 35,100	$ (14,600)	$ 14,600