Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 25, 2014	Jun. 26, 2013
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 1,640	$ 1,335
Interest paid	4,103	5,010
Noncash investing and financing activities:
Issuance of common stock, pursuant to share-based compensation plans	1,030	1,590
Execution of capital leases	757	2,865
Treasury stock payable	395	1,144
Accrued deferred financing costs	$ 0	$ 54