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Lessee ROU Assets and Lease Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2021
Sep. 26, 2020
Oct. 02, 2021
Sep. 26, 2020
Jan. 02, 2021
Leases [Abstract]          
Lessee, Operating Lease, Renewal Term 5 years   5 years    
Operating Lease, Weighted Average Discount Rate, Percent 2.60%   2.60%    
Operating Lease, Right-of-Use Asset, Accumulated Amortization $ 13,000   $ 13,000   $ 9,200
Operating Lease, Weighted Average Remaining Lease Term 6 years 8 months 12 days   6 years 8 months 12 days    
Operating lease costs $ 2,100 $ 1,800 $ 6,200 $ 5,200