Consolidated Statements Of Cash Flows Supplemental Disclosures - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Statement of Cash Flows [Abstract]
Interest paid on long-term debt	$ 8,268	$ 8,827
Interest paid on lease financing obligations	52	51
Accruals for capital expenditures	2,698	2,236
Income Taxes Refunded	2,416	41
Non-cash reduction of capital lease assets and obligation	$ 0	$ 1,055