Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Apr. 01, 2017
NET LOSS		$ (2,907)	$ (604)
OTHER COMPREHENSIVE INCOME, NET OF TAX:
Unrealized gain on interest rate swaps		804	57
Income taxes		0	22
Unrealized gain on interest rate swaps, net		804	35
Reclassification of loss into earnings from interest rate swaps (1)	[1]	228	359
Income taxes		0	136
Reclassification of loss into earnings from interest rate swaps, net		228	223
Reclassification of net actuarial gain into earnings from postretirement benefit plans (2)	[2]	(7)	(8)
Income taxes		0	(3)
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(7)	(5)
Reclassification of prior service credits into earnings from postretirement benefit plans (2)	[2]	(1)	(1)
Income taxes		0	0
Reclassification of prior service credits into earnings from postretirement benefit plans, net		(1)	(1)
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAX		1,024	252
COMPREHENSIVE LOSS		$ (1,883)	$ (352)

[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.