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Summary of Components of Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 03, 2020
Jun. 28, 2019
Jul. 03, 2020
Jun. 28, 2019
Leases [Abstract]        
Operating lease cost $ 1,870 $ 2,042 $ 3,907 $ 3,865
Finance lease cost        
Amortization of right-of-use assets 247 177 495 355
Interest on lease liabilities 108 101 218 206
Variable lease cost 344 408 723 546
Total lease cost $ 2,569 $ 2,728 $ 5,343 $ 4,972