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Summary of Impairment Restructuring and COVID-19 Related Charges (Parenthetical) (Detail) | 3 Months Ended | 9 Months Ended
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Oct. 31, 2020 USD ($) Store | Nov. 02, 2019 USD ($) | Oct. 31, 2020 USD ($) Store | Nov. 02, 2019 USD ($)
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Impairment charges | $ 0 |  | $ 153,617,000 | [1] |
Impairment of operating lease ROU assets | $ 0 | $ 0 | $ 84,100,000 |  | $ 0
Number of retail stores | Store | 1,000 |  | 1,000 |  |
Corporate and Store Property and Equipment |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Impairment charges |  |  | $ 51,500,000 |  |
Cost and Equity Method Investments |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Impairment charges |  |  | 18,000,000.0 |  |
Retail Stores |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Impairment charges | $ 0 | $ 0 | 135,600,000 |  | $ 0
Impairment of operating lease ROU assets |  |  | $ 84,100,000 |  |
Number of retail stores | Store | 272 |  | 272 |  |
[1] | There were no impairment charges recorded during the 13 weeks ended October 31, 2020. During the 39 weeks ended October 31, 2020, the Company recorded impairment charges of $153.6 million. Of the total, $84.1 million related to the impairment of the operating lease ROU assets of 272 stores. We recorded $51.5 million related to the impairment of certain corporate and store property and equipment. We also recorded $18.0 million of impairment of certain cost and equity method investments.

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- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 25 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121593497&loc=SL77918431-209957 + Details
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