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Segment Information - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 30, 2019
USD ($)
segment
Mar. 31, 2018
USD ($)
Segment Reporting Information [Line Items]    
Number of operating segments | segment 3  
Restructuring charges $ 2,735 $ 779
Net sales | Geographic Concentration Risk | Other countries(a)    
Segment Reporting Information [Line Items]    
Concentration risk (less than) 10.00%  
Other | Operating Income (Loss)    
Segment Reporting Information [Line Items]    
Acquisition related costs   38,600
Inventory adjustment   17,900
Legal, accounting and other expenses $ 2,400 11,600
Backlog amortization costs   2,500
Allocated share based compensation   4,500
Change in control expense   2,100
Restructuring charges $ 2,700  
Impairment charges   800
Other asset impairment charges   $ 100