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Non-Cash Stock Compensation Expense (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended
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Feb. 01, 2020 | Feb. 02, 2019 | Feb. 03, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |  |  |
Non-Cash Stock Compensation tax benefit | $ 9.0 | $ 9.7 | $ 2.8

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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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