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Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Leases [Abstract]      
Operating Lease, Payments $ 9,540    
Operating Lease, Weighted Average Discount Rate, Percent 3.61%    
Operating Lease, Weighted Average Remaining Lease Term 9 years 2 months 15 days    
Operating Lease, Cost $ 8,777    
Variable Lease, Cost 4,096    
Operating Leases, Rent Expense, Net 12,873 $ 12,900 $ 8,900
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability $ 53,227