Consolidated Condensed Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
NET INCOME (LOSS)	$ 102	$ (43)	$ (512)	$ 1,347
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized loss on interest rate swaps	(142)	(175)	(465)	(307)
Reclassification of loss into earnings from interest rate swaps	23	85	71	257
Amortization of unrealized loss on dedesignated interest rate swaps	73	13	219	13
Reclassification of net actuarial gain into earnings from postretirement benefit plans	(6)	(4)	(17)	(13)
Reclassification of prior service credits into earnings from postretirement benefit plans	(14)	(14)	(40)	(41)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(66)	(95)	(232)	(91)
COMPREHENSIVE INCOME (LOSS)	$ 36	$ (138)	$ (744)	$ 1,256