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Restructuring (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Restructuring and other, net      
Restructuring and other $ 7,061 $ 9,317 $ 3,747
Impairment of Plant and Equipment [Member]
     
Restructuring and other, net      
Restructuring and other $ (705) $ 1,750 $ 1,243