CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended
		Mar. 26, 2022	Mar. 27, 2021
Statement of Comprehensive Income [Abstract]
NET LOSS		$ (3,357)	$ (2,028)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized gain (loss) on interest rate swaps		0	38
Income taxes		0	0
Unrealized gain (loss) on interest rate swaps, net		0	38
Reclassification of (gain) loss into earnings from interest rate swaps	[1]	(7)	34
Income taxes		(2)	0
Reclassification of (gain) loss into earnings from interest rate swaps, net		(5)	34
Reclassification of unrealized loss into earnings from dedesignated interest rate swaps		210	187
Income taxes		33	64
Reclassification of unrealized loss into earnings from dedesignated interest rate swaps, net		177	123
Reclassification of net actuarial gain into earnings from postretirement benefit plans	[2]	(2)	(6)
Income taxes		0	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(2)	(6)
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAX		170	189
COMPREHENSIVE LOSS		$ (3,187)	$ (1,839)

[1] Amounts for cash flow hedges reclassified from accumulated other comprehensive income (loss) to net loss were included in interest expense in the Company's Consolidated Condensed Statements of Operations.

[2] Amounts for postretirement plans reclassified from accumulated other comprehensive income (loss) to net loss were included in selling and administrative expenses in the Company's Consolidated Condensed Statements of Operations.