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Summary of Significant Accounting Policies (Detail Textuals 4) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Jan. 04, 2014
Dec. 29, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 9.1 $ 8.4 $ 10.4
Carrying value of properties sold 3.9 7.4  
Long - lived assets, depreciation method straight-line method    
Selling, general and administrative expenses
      
Property, Plant and Equipment [Line Items]      
Total gains on properties sold $ 5.2 $ 9.9  
Minimum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 5 years    
Maximum
      
Property, Plant and Equipment [Line Items]      
Long - lived assets estimated useful life 40 years    
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