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Quarterly Financial Information (Parenthetical) (Detail) - USD ($) $ in Millions | 3 Months Ended
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Feb. 02, 2020 | Nov. 03, 2019 | Aug. 04, 2019 | May 05, 2019 | Feb. 03, 2019 | Oct. 28, 2018 | Jul. 29, 2018 | Apr. 29, 2018
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |
Employment-related expense primarily associated with an equity grant |  |  |  | $ 6.5 | $ 2.5 | $ 1.9 | $ 1.9 | $ 1.7
Impairment and early lease termination charges |  |  |  |  | 6.8 | 1.1 | 5.3 |
Tax (benefit) expense Tax Cuts and Jobs Act and true-up of deferreds | $ 6.0 | $ (0.1) |  |  | 0.3 | 10.6 | 2.9 | 3.3
Acquisition-related Costs [Member] |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |
Expenses related to the acquisition of Outward and its ongoing operations | $ 9.1 | $ 7.4 | $ 7.2 | $ 6.4 | $ 7.2 | $ 6.0 | $ 5.0 | 6.9
Adjustments for New Accounting Principle, Early Adoption [Member] |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |
Adoption of new accounting rules related to stock-based compensation |  |  |  |  |  |  |  | $ 1.1

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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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