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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended |
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Jul. 28, 2019 | Jan. 27, 2019
Income Tax Disclosure [Abstract] |  |
Statutory federal income tax rate | 21.00% |
Net tax benefits, if recognized, would impact the effective tax rate | $ 11.0 | $ 4.5

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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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