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Schedule of Restructuring, Acquisition and Divestiture Related Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 28, 2018
Sep. 29, 2017
Sep. 28, 2018
Sep. 29, 2017
Restructuring Cost And Reserve [Line Items]        
Total restructuring and divestiture related charges $ 137   $ 1,125 $ 200
Acquisition and related charges 2,204 $ 3,834 3,680 6,032
Total restructuring, acquisition and divestiture related costs 2,341 $ 3,834 4,805 6,232
2018 Restructuring        
Restructuring Cost And Reserve [Line Items]        
Total restructuring and divestiture related charges $ 137   $ 1,125  
2016 Restructuring        
Restructuring Cost And Reserve [Line Items]        
Total restructuring and divestiture related charges       186
2011 Restructuring        
Restructuring Cost And Reserve [Line Items]        
Total restructuring and divestiture related charges       $ 14