CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 1,054	$ 472
Change in unrecognized pension liability	1,800	2,161
Change in currency translation adjustments	(115)	(187)
Comprehensive income	$ 2,739	$ 2,446