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Subsequent Events (Details)
12 Months Ended
Jul. 07, 2020
USD ($)
installments
Dec. 28, 2019
USD ($)
Jun. 27, 2020
USD ($)
Dec. 29, 2018
USD ($)
Subsequent Event [Line Items]        
Total consideration   $ 369,879,000    
Promissory note incurred   1,004,000    
Earn-out of cash fair value   $ 4,002,000 $ 2,812,000 $ 4,698,000
Mediatech Design Group | Forecast        
Subsequent Event [Line Items]        
Total consideration $ 2,300,000      
Payments to acquire businesses 1,100,000      
Purchase price 350,000      
Stock value assigned at closing and anniversary dates 87,500      
Earn-out of cash fair value 350,000      
Mediatech Design Group | Uncollateralized promissory notes | Forecast        
Subsequent Event [Line Items]        
Promissory note incurred $ 500,000      
Number of installments | installments 4      
Periodic payment $ 125,000