Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012
Net loss	$ (1,556)	$ (15,592)	$ (29,672)	$ (23,712)
Other comprehensive (loss) income:
Foreign currency translation adjustment	(157)	(1,165)	(342)	(202)
Defined benefit pension plan adjustments, net of tax	81	85	165	170
Total comprehensive loss	$ (1,632)	$ (16,672)	$ (29,849)	$ (23,744)