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Edict Acquisition (Schedule Of Operating Results) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Business Acquisition [Line Items]    
Total revenues $ 565,805 $ 457,140
Loss from continuing operations $ 23,738 $ (102,783)
Loss from continuing operations per diluted share $ 0.64 $ (2.88)