CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		12 Months Ended
		Dec. 25, 2021	Dec. 26, 2020
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)		$ 1,616	$ (9,208)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized gain (loss) on interest rate swaps		94	(1,316)
Income taxes		0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax		94	(1,316)
Reclassification of loss into earnings from interest rate swaps	[1]	646	1,967
Income taxes		174	343
Reclassification of loss into earnings from interest rate swaps, net		472	1,624
Unrecognized net actuarial gain (loss) on postretirement benefit plans		18	0
Income taxes		0	0
Unrecognized net actuarial gain (loss) on postretirement benefit plans, net		18	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans	[2]	(24)	(27)
Income taxes		0	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(24)	(27)
Reclassification of prior service credits into earnings from postretirement benefit plans	[2]	0	(3)
Income taxes		0	0
Reclassification of prior service credits into earnings from postretirement benefit plans, net		0	(3)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX		560	278
COMPREHENSIVE INCOME (LOSS)		$ 2,176	$ (8,930)

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

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