Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
NET LOSS		$ (5,278)	$ (2,426)	$ (1,402)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized loss on interest rate swaps		(263)	(2,410)	(3,110)
Income taxes		(100)	(916)	(1,182)
Unrealized loss on interest rate swaps, net		(163)	(1,494)	(1,928)
Reclassification of loss into earnings from interest rate swaps (1)	[1]	1,291	777	372
Income taxes		491	295	141
Reclassification of loss into earnings from interest rate swaps, net		800	482	231
Unrecognized net actuarial gain (loss) on postretirement benefit plans		(3)	48	67
Income taxes		(1)	18	26
Unrecognized net actuarial gain (loss) on postretirement benefit plans, net		(2)	30	41
Reclassification of net actuarial gain into earnings from postretirement benefit plans (2)	[2]	(33)	(40)	(31)
Income taxes		(13)	(15)	(12)
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(20)	(25)	(19)
Reclassification of prior service credits into earnings from postretirement benefit plans (2)	[2]	(4)	(86)	(88)
Income taxes		(2)	(33)	(34)
Reclassification of prior service credits into earnings from postretirement benefit plans, net		(2)	(53)	(54)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX		613	(1,060)	(1,729)
COMPREHENSIVE LOSS		$ (4,665)	$ (3,486)	$ (3,131)

[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 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 Statement of Operations.