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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
       
(in thousands) 2011 2010
Land $ 41,093 $ 41,145
Buildings   350,939   350,051
Machinery, equipment and fixtures   2,479,823   2,401,128
Leasehold improvements   304,421   308,863
Construction in progress   95,173   91,330
    3,271,449   3,192,517
Less accumulated depreciation   (2,119,059)   (1,991,791)
  $ 1,152,390 $ 1,200,726