Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 8,423	$ 5,090	$ 15,118	$ 13,020
Other Comprehensive Income, Net of Tax:
Amortization of actuarial loss and prior service costs, net of tax of $77 and $59 for the three months ended July 3, 2021 and June 27, 2020, respectively and $153 and $118 for the six months ended July 3, 2021 and June 27, 2020, respectively	245	188	490	378
Change in unrealized gains and losses on cash flow hedges, net of tax of zero and $31 for the three months ended July 3, 2021 and June 27, 2020, respectively and zero and $57 for the six months ended July 3, 2021 and June 27, 2020, respectively	0	76	0	162
Other Comprehensive Income, Net of Tax	245	264	490	540
Comprehensive Income	$ 8,668	$ 5,354	$ 15,608	$ 13,560