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Acquisitions - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 01, 2020
Jun. 27, 2020
Sep. 26, 2020
Sep. 28, 2019
Business Acquisition [Line Items]        
Acquisition transaction costs     $ 485 $ 843
Payments to acquire business, net of cash acquired     $ 7,095 $ 177,058
Cogent Industrial Technologies        
Business Acquisition [Line Items]        
Payments to acquire business, net of cash acquired $ 6,866      
Customer Relationships | Cogent Industrial Technologies        
Business Acquisition [Line Items]        
Finite-lived Intangible Assets Acquired $ 3,350      
Technology | Company in Austria        
Business Acquisition [Line Items]        
Payments to acquire business, net of cash acquired   $ 229    
Intangible assets other than goodwill acquired   $ 416