Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 9,584	$ 6,501	$ 24,702	$ 19,521
Other Comprehensive Income, Net of Tax:
Amortization of actuarial loss and prior service costs, net of tax of $76 and $59 for the three months ended October 2, 2021 and September 26, 2020, respectively, and $229 and $177 for the nine months ended October 2, 2021 and September 26, 2020, respectively	245	189	735	567
Change in unrealized gains and losses on cash flow hedges, net of tax of zero for both the three months ended October 2, 2021 and September 26, 2020, and zero and $57 for the nine months ended October 2, 2021 and September 26, 2020, respectively	0	0	0	162
Other Comprehensive Income, Net of Tax	245	189	735	729
Comprehensive Income	$ 9,829	$ 6,690	$ 25,437	$ 20,250