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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Disclosure Income Taxes Additional Information [Abstract]    
Income taxes on continuing operations $ 24.7 $ 81.7
Document Period End Date Mar. 30, 2019  
Effective tax rate 12.70% 32.40%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount   $ 23.1
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent   9.10%
Business Combination, Acquisition Related Costs 15.00% 23.00%