Consolidated Statements Of Cash Flows Supplemental Disclosures (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Statement of Cash Flows [Abstract]
Interest paid on long-term debt	$ 8,827	$ 8,393
Interest paid on lease financing obligations	51	52
Accruals for capital expenditures	2,236	4,530
Income Taxes Paid	41	0
Non-cash assets acquired	0	861
Non-cash reduction of capital lease assets and obligation	$ 1,055	$ 0