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Divestitures - 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 Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from Divestiture of Businesses $ 76.7 $ 1.7 $ 76.7 $ 1.9
Document Period End Date     Jun. 29, 2019  
Sargent & Greenleaf [Domain]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Income (Loss) from Individually Significant Component Disposed of or Held-for-sale, Excluding Discontinued Operations, before Income Tax 1.5 $ 3.3 $ 4.6 $ 5.6
Proceeds from Divestiture of Businesses 79.1      
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal $ 3.7