Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Other Operating Income and Expenses, Net [Abstract]
(Gain) loss on property, plant and equipment disposals	$ 0	$ (37)
Gain on currency exchanges	(5)	(33)
Retirement (income) expense	72	(18)
Miscellaneous income	(65)	(4)
Other operating expense (income), net	$ 2	$ (92)