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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Income Tax Disclosure [Abstract]        
Other Tax Expense (Benefit) $ 7.0 $ 14.6 $ 13.1 $ 21.7
Gross unrecognized tax benefit 16.3   16.3  
Unrecognized tax benefit that would affect effective tax rate $ 15.0   $ 15.0