Fair Value Measurements - Financial Assets Valued on a Recurring Basis (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Feb. 01, 2020
Nonrecurring fair value measurements:
Trademark	$ 6,000,000		$ 6,000,000
Long-lived assets and operating lease assets at retail stores	90,113,000		90,113,000
Goodwill impairment loss			(80,414,000)
Asset impairment loss			(32,766,000)
Impairment of long lived assets	(8,800,000)		(27,300,000)
Right of use asset impairment	0	$ 0	(3,236,000)	$ 0
Goodwill and intangible impairment loss			(113,200,000)
Recurring
Current Assets
Cash equivalents	36,678,000	6,898,000	36,678,000	6,898,000	$ 621,000
Noncurrent Assets
Deferred compensation plan	7,902,000	7,168,000	7,902,000	7,168,000	7,464,000
Nonrecurring fair value measurements:
Total assets	63,247,000	71,319,000	63,247,000	71,319,000	71,978,000
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Current Assets
Cash equivalents	36,678,000	6,898,000	36,678,000	6,898,000	621,000
Noncurrent Assets
Deferred compensation plan	7,902,000	7,168,000	7,902,000	7,168,000	7,464,000
Nonrecurring fair value measurements:
Total assets	44,580,000	14,066,000	44,580,000	14,066,000	8,085,000
Recurring | Significant Other Observable Inputs (Level 2)
Current Assets
Cash equivalents	0	0	0	0	0
Noncurrent Assets
Deferred compensation plan	0	0	0	0	0
Nonrecurring fair value measurements:
Total assets	18,667,000	57,253,000	18,667,000	57,253,000	63,893,000
Recurring | Significant Unobservable Inputs (Level 3)
Current Assets
Cash equivalents	0	0	0	0	0
Noncurrent Assets
Deferred compensation plan	0	0	0	0	0
Nonrecurring fair value measurements:
Total assets	0	0	0	0	0
Recurring | Corporate bonds
Current Assets
Marketable securities	18,667,000	54,264,000	18,667,000	54,264,000	62,645,000
Recurring | Corporate bonds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Current Assets
Marketable securities	0	0	0	0	0
Recurring | Corporate bonds | Significant Other Observable Inputs (Level 2)
Current Assets
Marketable securities	18,667,000	54,264,000	18,667,000	54,264,000	62,645,000
Recurring | Corporate bonds | Significant Unobservable Inputs (Level 3)
Current Assets
Marketable securities	0	0	0	0	0
Recurring | Commercial paper
Current Assets
Marketable securities		2,989,000		2,989,000	1,248,000
Recurring | Commercial paper | Quoted Prices in Active Markets for Identical Assets (Level 1)
Current Assets
Marketable securities		0		0	0
Recurring | Commercial paper | Significant Other Observable Inputs (Level 2)
Current Assets
Marketable securities		2,989,000		2,989,000	1,248,000
Recurring | Commercial paper | Significant Unobservable Inputs (Level 3)
Current Assets
Marketable securities		$ 0		$ 0	$ 0
Nonrecurring
Nonrecurring fair value measurements:
Goodwill	16,360,000		16,360,000
Long-lived assets	7,161,000		7,161,000
Operating lease asset	88,942,000		88,942,000
Total assets	118,463,000		118,463,000
Goodwill impairment loss			(80,414,000)
Impairment of long lived assets			(27,307,000)
Right of use asset impairment			(3,236,000)
Goodwill and intangible impairment loss			(138,957,000)
Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Nonrecurring fair value measurements:
Goodwill	0		0
Long-lived assets	0		0
Operating lease asset	0		0
Total assets	0		0
Nonrecurring | Significant Other Observable Inputs (Level 2)
Nonrecurring fair value measurements:
Goodwill	0		0
Long-lived assets	5,990,000		5,990,000
Operating lease asset	0		0
Total assets	5,990,000		5,990,000
Nonrecurring | Significant Unobservable Inputs (Level 3)
Nonrecurring fair value measurements:
Goodwill	16,360,000		16,360,000
Long-lived assets	1,171,000		1,171,000
Operating lease asset	88,942,000		88,942,000
Total assets	112,473,000		112,473,000
Trademark
Nonrecurring fair value measurements:
Asset impairment loss			(28,000,000)
Trademark | Nonrecurring
Nonrecurring fair value measurements:
Trademark	6,000,000		6,000,000
Asset impairment loss			(28,000,000)
Trademark | Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Nonrecurring fair value measurements:
Trademark	0		0
Trademark | Nonrecurring | Significant Other Observable Inputs (Level 2)
Nonrecurring fair value measurements:
Trademark	0		0
Trademark | Nonrecurring | Significant Unobservable Inputs (Level 3)
Nonrecurring fair value measurements:
Trademark	$ 6,000,000		$ 6,000,000