Annual report pursuant to Section 13 and 15(d)

Property, Plant And Equipment (Components Of Property, Plant And Equipment) (Details)

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Property, Plant And Equipment (Components Of Property, Plant And Equipment) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Jan. 01, 2011
Jan. 02, 2010
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, at cost $ 1,830,039 $ 1,663,299  
Less accumulated depreciation and amortization 1,092,588 1,060,391  
Property, plant and equipment, net 737,451 602,908 614,178
Land [Member]
     
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, at cost 53,138 48,158  
Buildings And Improvements [Member]
     
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, at cost 754,391 606,532  
Machinery And Equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, at cost $ 1,022,510 $ 1,008,609