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Income Taxes (Components of Income (Loss) Before Income Taxes) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income (Loss) from Continuing Operations [Abstract]      
United States operations $ (50,032) $ 59,807 $ (50,100)
Foreign operations (4,055) (2,448) 5,671
Income (loss) before income taxes $ (54,087) $ 57,359 $ (44,429)