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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Other Tax Expense (Benefit) $ 2.6 $ 3.9 $ 6.0 $ 7.1
Gross unrecognized tax benefit 16.4   16.4  
Unrecognized tax benefit that would affect effective tax rate $ 15.1   $ 15.1