CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 01, 2023	Jun. 25, 2022	Jul. 01, 2023	Jun. 25, 2022
Statement of Comprehensive Income [Abstract]
NET LOSS		$ (1,726)	$ (4,487)	$ (3,484)	$ (7,844)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Reclassification of gain into earnings from interest rate swaps	[1]	0	0	0	(7)
Income taxes		0	0	0	(2)
Reclassification of gain into earnings from interest rate swaps, net		0	0	0	(5)
Reclassification of unrealized loss into earnings from dedesignated interest rate swaps	[2]	0	0	0	210
Income taxes		0	0	0	33
Reclassification of unrealized loss into earnings from dedesignated interest rate swaps, net		0	0	0	177
Reclassification of net actuarial gain into earnings from postretirement benefit plans	[2]	(6)	0	(11)	(2)
Income taxes		0	0	0	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(6)	0	(11)	(2)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX		(6)	0	(11)	170
COMPREHENSIVE LOSS		$ (1,732)	$ (4,487)	$ (3,495)	$ (7,674)

[1] Amounts for cash flow hedges reclassified from accumulated other comprehensive income 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 to net loss were included in selling and administrative expenses in the Company's consolidated condensed statements of operations.