Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 01, 2017	Jun. 25, 2016	Jul. 01, 2017	Jun. 25, 2016
NET INCOME (LOSS)		$ 1,103	$ 1,677	$ 498	$ (3,090)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized loss on interest rate swaps		(359)	(1,234)	(303)	(2,673)
Income taxes		(136)	(469)	(115)	(1,016)
Unrealized loss on interest rate swaps, net		(223)	(765)	(188)	(1,657)
Reclassification of loss into earnings from interest rate swaps (1)	[1]	324	289	683	583
Income taxes		123	110	260	222
Reclassification of loss into earnings from interest rate swaps, net		201	179	423	361
Reclassification of net actuarial gain into earnings from postretirement benefit plans (2)	[2]	(8)	(10)	(16)	(20)
Income taxes		(3)	(4)	(6)	(8)
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(5)	(6)	(10)	(12)
Reclassification of prior service credits into earnings from postretirement benefit plans (2)	[2]	(1)	(1)	(2)	(2)
Income taxes		0	0	(1)	(1)
Reclassification of prior service credits into earnings from postretirement benefit plans, net		(1)	(1)	(1)	(1)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX		(28)	(593)	224	(1,309)
COMPREHENSIVE INCOME (LOSS)		$ 1,075	$ 1,084	$ 722	$ (4,399)

[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 Condensed Statements of Operations.

[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 Condensed Statements of Operations.