Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
NET INCOME (LOSS)		$ 66	$ (185)	$ (1,898)	$ 3,798
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized gain (loss) on interest rate swaps		(1,923)	(24)	(2,466)	(2,003)
Income taxes		(731)	(9)	(937)	(761)
Unrealized gain (loss) on interest rate swaps, net		(1,192)	(15)	(1,529)	(1,242)
Reclassification of loss into earnings from interest rate swaps (1)	[1]	187	86	453	259
Income taxes		71	32	172	99
Reclassification of loss into earnings from interest rate swaps, net		116	54	281	160
Reclassification of net actuarial gain into earnings from postretirement benefit plans (2)	[2]	(9)	(10)	(28)	(30)
Income taxes		(4)	(4)	(12)	(12)
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(5)	(6)	(16)	(18)
Reclassification of prior service credits into earnings from postretirement benefit plans (2)	[2]	(22)	(22)	(66)	(66)
Income taxes		(9)	(8)	(28)	(25)
Reclassification of prior service credits into earnings from postretirement benefit plans, net		(13)	(14)	(38)	(41)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX		(1,094)	19	(1,302)	(1,141)
COMPREHENSIVE INCOME (LOSS)		$ (1,028)	$ (166)	$ (3,200)	$ 2,657

[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 Statement 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 Statement of Operations.