Operations And Summary Of Significant Accounting Policies Estimated Useful Lives Of Long-Term Depreciable Assets (Details)	12 Months Ended
	Dec. 29, 2012
Buildings and Building improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	10 years
Buildings and Building improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	45 years
Land Improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	10 years
Land Improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	15 years
Machinery, Equipment and Computer Systems | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	3 years
Machinery, Equipment and Computer Systems | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	20 years
Furniture and Fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	3 years
Furniture and Fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	12 years
Trucks, Trailors and Automobiles | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	3 years
Trucks, Trailors and Automobiles | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of long-term depreciable assets	10 years