Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2015	Dec. 31, 2014	Dec. 25, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 35,976	$ 32,725	$ 24,572
Other comprehensive income (loss), net of tax:
Minimum pension liability adjustment, net of tax expense (benefit) of $1,425, $(4,019) and $4,164	2,230	(6,304)	6,309
Recognition of unrealized (loss) gain on hedge transactions, net of tax (benefit) expense of $(898), $(933) and $1,184	(1,405)	(1,456)	1,848
Other comprehensive income (loss)	825	(7,760)	8,157
Total comprehensive income	$ 36,801	$ 24,965	$ 32,729