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Income Taxes - Projected Effective Tax Rate for Periods (Detail)
3 Months Ended 9 Months Ended
Nov. 02, 2019
Oct. 27, 2018
Nov. 02, 2019
Oct. 27, 2018
Income Tax Disclosure [Abstract]        
Effective tax rates for income from continuing operations (118.20%) 22.30% 5.50% 23.40%