Property and Equipment (Schedule of Property and Equipment) (Details) (USD $) In Thousands, unless otherwise specified											12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012 Land [Member]	Dec. 31, 2011 Land [Member]	Dec. 29, 2012 Building and Building Improvements [Member]	Dec. 31, 2011 Building and Building Improvements [Member]	Dec. 29, 2012 Equipment [Member]	Dec. 31, 2011 Equipment [Member]	Dec. 29, 2012 Leasehold Improvements [Member]	Dec. 31, 2011 Leasehold Improvements [Member]	Dec. 29, 2012 Maximum [Member] Building and Building Improvements [Member]	Dec. 29, 2012 Maximum [Member] Equipment [Member]	Dec. 29, 2012 Maximum [Member] Leasehold Improvements [Member]	Dec. 29, 2012 Minimum [Member] Building and Building Improvements [Member]	Dec. 29, 2012 Minimum [Member] Equipment [Member]	Dec. 29, 2012 Minimum [Member] Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 1,592,764	$ 1,488,915	$ 97,810	$ 93,676	$ 508,253	$ 492,024	$ 817,822	$ 759,158	$ 168,879	$ 144,057
Less accumulated depreciation and amortization	954,130	913,912
Property, plant and equipment, net	$ 638,634	$ 575,003
Property, Plant and Equipment, Useful Life											60 years	12 years	20 years	10 years	3 years	5 years