Condensed Consolidated Statements of Comprehensive Income Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 26, 2014	Mar. 27, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 6,431	$ 7,081
Other comprehensive (loss) income, net of tax
Minimum pension liability adjustment, net of tax expense of $90 and $165	141	254
Recognition of unrealized loss on hedged transactions, net of tax benefit of $224	(349)	0
Other comprehensive (loss) income	(208)	254
Total comprehensive income	$ 6,223	$ 7,335