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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2020
Jun. 29, 2019
Jun. 27, 2020
Jun. 29, 2019
Income Tax Disclosure [Abstract]        
Other Tax Expense (Benefit) $ 7.5 $ 2.6 $ 17.1 $ 6.0
Gross unrecognized tax benefit 18.5   18.5  
Unrecognized tax benefit that would affect effective tax rate $ 17.1   $ 17.1