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Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 26, 2013	Jun. 27, 2012
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 1,335	$ 1,365
Interest paid	5,010	7,657
Noncash investing and financing activities:
Issuance of common stock, pursuant to share-based compensation plans	1,590	296
Execution of capital leases	2,865	1,281
Treasury stock payable	1,144	395
Accrued deferred financing costs	$ 54	$ 0

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