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Stockholders' Equity AOCI (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Components of accumulated other comprehensive loss    
Foreign currency translation losses $ (4,617) $ (2,322)
Unrecognized pension and postretirement benefit costs, net of tax (14,126) (18,749)
Total accumulated other comprehensive loss $ (18,743) $ (21,071)