Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		12 Months Ended
		Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
NET LOSS		$ (21,384)	$ (9,555)	$ (5,278)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized gain (loss) on interest rate swaps		531	180	(263)
Income taxes		0	68	(100)
Unrealized gain (loss) on interest rate swaps, net		531	112	(163)
Reclassification of loss into earnings from interest rate swaps (1)	[1]	673	1,250	1,291
Income taxes		0	475	491
Reclassification of loss into earnings from interest rate swaps, net		673	775	800
Unrecognized net actuarial gain (loss) on postretirement benefit plans		18	11	(3)
Income taxes		0	4	(1)
Unrecognized net actuarial gain (loss) on postretirement benefit plans, net		18	7	(2)
Reclassification of net actuarial gain into earnings from postretirement benefit plans (2)	[2]	(27)	(30)	(33)
Income taxes		0	(11)	(13)
Reclassification of net actuarial gain into earnings from postretirement benefit plans, net		(27)	(19)	(20)
Reclassification of prior service credits into earnings from postretirement benefit plans (2)	[2]	(4)	(4)	(4)
Income taxes		0	(1)	(2)
Reclassification of prior service credits into earnings from postretirement benefit plans, net		(4)	(3)	(2)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX		1,191	872	613
COMPREHENSIVE LOSS		$ (20,193)	$ (8,683)	$ (4,665)

[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 Statement 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 Statement of Operations.