CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Net loss	$ (2,264)	$ (2,470)	$ (25,734)	$ (8,093)
Other comprehensive loss:
Amortization of prior service cost	39	42	115	126
Amortization of actuarial loss	(4)	(8)	(11)	(25)
Adjustments to net periodic benefit cost	35	34	104	101
Comprehensive loss	$ (2,299)	$ (2,504)	$ (25,838)	$ (8,194)