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Acquisitions - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 29, 2019
Jun. 29, 2019
Dec. 31, 2019
Jun. 27, 2020
Mar. 30, 2019
Business Acquisition          
Goodwill     $ 602,500 $ 601,401  
Acquisition-related costs $ 200 $ 400      
VPI          
Business Acquisition          
Goodwill     $ 23,500   $ 26,553
Intangible assets useful life (years)     8 years    
Additional acquisition costs     $ 7,100