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Summary of Significant Accounting Policies (Detail Textuals 4) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 8.4 $ 10.4 $ 12.8
Carrying value of properties sold that were not classified as held for sale   0.8  
Gain loss on sale of individual properties not classified as held for sale   5.4  
Selling, general and administrative expenses
      
Property, Plant and Equipment [Line Items]      
Carrying value of properties sold 7.4 4.8  
Total gains on properties sold $ 9.9 $ 10.6  
Land improvements | Minimum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 2 years    
Land improvements | Maximum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 18 years    
Buildings | Minimum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 5 years    
Buildings | Maximum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 40 years    
Machinery and equipment | Minimum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 3 years    
Machinery and equipment | Maximum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 7 years