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Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Mar. 30, 2019
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]          
Document Period End Date     Jun. 29, 2019    
Net Sales $ 3,761.3 $ 3,643.6 $ 7,094.9 $ 6,852.9  
MTD [Member]          
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]          
Equity Method Investment, Ownership Percentage         20.00%