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Fair Value Measurements - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Fair Value Measurements Disclosure [Line Items]
Asset impairment charges		$ 0	$ 0	$ 0	$ 153,617,000	[1]
Impairment of operating lease ROU assets		0	0	0	84,100,000
Retail Stores
Fair Value Measurements Disclosure [Line Items]
Asset impairment charges					109,600,000
Impairment of operating lease ROU assets					84,100,000
Impairment of certain cost and equity method investments					18,000,000.0
Fair value of impaired asset			163,400,000		163,400,000
Store Property and Equipment (Fixtures and Equipment and Leasehold Improvements) | Retail Stores
Fair Value Measurements Disclosure [Line Items]
Asset impairment charges					25,500,000
Corporate Property and Equipment | Retail Stores
Fair Value Measurements Disclosure [Line Items]
Asset impairment charges					26,000,000.0
Convertible Senior Notes Due 2025
Fair Value Measurements Disclosure [Line Items]
Aggregate principal amount of debt issued	$ 415,000,000
Debt instrument, maturity year	2025
Revolving Credit Facility
Fair Value Measurements Disclosure [Line Items]
Outstanding borrowings		$ 0	$ 200,000,000	$ 0	$ 200,000,000
[1] During the 26 weeks ended August 1, 2020, the Company recorded asset impairment charges of $153.6 million.  Included in this amount are retail store impairment charges of $109.6 million, of which $84.1 million relates to operating lease ROU assets and $25.5 million relates to store property and equipment (fixtures and equipment and leasehold improvements).  We also recorded $26.0 million of impairment related charges to certain corporate property and equipment as well as $18.0 million of impairment charges related to certain cost and equity method investments.

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