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Employee Benefit Plans and Stock-based Compensation - Summary of Projected Benefit Obligation (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 27, 2020
Mar. 29, 2019
Employee Benefit and Share-based Payment Arrangement, Noncash Expense [Abstract]    
Service cost $ 61 $ 57
Interest cost 9 20
Net periodic benefit cost $ 70 $ 77