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Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]    
Document Period End Date Mar. 30, 2019  
Net Sales $ 3,333.6 $ 3,209.3
MTD [Member]    
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]    
Equity Method Investment, Ownership Percentage 20.00%