Consolidated Condensed Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
NET INCOME (LOSS)	$ (433)	$ 766	$ (614)	$ 1,390
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized gain (loss) on interest rate swaps	(241)	(161)	(321)	(132)
Reclassification of loss into earnings from interest rate swaps	24	85	48	172
Amortization of unrealized loss on dedesignated interest rate swaps	73	0	147	0
Reclassification of net actuarial gain into earnings from postretirement benefit plans	(6)	(4)	(12)	(9)
Reclassification of prior service credits into earnings from postretirement benefit plans	(14)	(14)	(28)	(28)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(164)	(94)	(166)	3
COMPREHENSIVE INCOME (LOSS)	$ (597)	$ 672	$ (780)	$ 1,393