Significant Accounting Policies - Deferred Revenue, Customer Deposits and Gift Cards and Merchandise Credits (Detail) - USD ($) $ in Millions	12 Months Ended
Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Recently Issued Accounting Standards
Revenue recognized on membership period	1 year
Customer deposits	50.00%
Revenue recognition, gift cards, breakage	$ 1.6	$ 1.5	$ 3.0
Inventory reserve balances	25.6	30.7
Gift cards and merchandise credits
Recently Issued Accounting Standards
Gift card liabilities	16.6	17.2
Gift card and merchandise credits
Recently Issued Accounting Standards
Revenue related to previous deferrals	$ 19.8	$ 21.6
Percentage of remaining revenue recognized on gift card and merchandise credit	70.00%

Percentage Of Customer Deposits On Purchase Price

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- Definition

Percentage of remaining revenue recognized on gift card and merchandise credit.

+ References

No definition available.

+ Details

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- Definition

Revenue recognition gift cards, certificates and merchandise credits breakage.

+ References

No definition available.

+ Details

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- Definition

Revenue recognized on straight line basis over the membership period.

+ References

No definition available.

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- Definition

Summary Of Accounting Policies [Line Items]

+ References

No definition available.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

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- Definition

Amount of valuation reserve for inventory.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 35
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116846819&loc=d3e3927-108312

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-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729

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-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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