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Income Taxes - Geographic Components of Earnings Before Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Income Tax Disclosure [Abstract]      
United States $ 79.3 $ 159.2 $ (78.2)
Foreign 66.6 68.2 67.6
Earnings (loss) before income taxes $ 145.9 $ 227.4 $ (10.6)