Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Statement of Comprehensive Income [Abstract]
Net Income	$ 4,629	$ 3,707
Other Comprehensive Loss
Amortization of actuarial loss and prior service costs, net of tax benefit of $36 and $102 for the three months ended March 29, 2014 and March 30, 2013, respectively	(69)	(172)
Other Comprehensive Loss	(69)	(172)
Comprehensive Income	$ 4,560	$ 3,535