Condensed Consolidated Statements of Comprehensive Income Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 25, 2014	Jun. 26, 2013	Jun. 25, 2014	Jun. 26, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 8,273	$ 6,198	$ 14,704	$ 13,279
Other comprehensive (loss) income, net of tax
Minimum pension liability adjustment, net of tax expense of $91, $160, $181 and $325	140	247	281	501
Recognition of unrealized gain (loss) on hedged transactions, net of tax expense (benefit) of $(339), $1,522, $(563) and $1,522	(528)	2,348	(877)	2,348
Other comprehensive income (loss)	(388)	2,595	(596)	2,849
Total comprehensive income	$ 7,885	$ 8,793	$ 14,108	$ 16,128