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Earnings (Loss) Per Common Share (Tables)
9 Months Ended
Sep. 30, 2011
Earnings (Loss) Per Common Share 
Reconciliation Of The Numerator And Denominator Of Earnings (Loss) Per Common Share
Impact Of Company's Stock Price On Assuming Dilution Calculation For The Convertible Notes
Impact Of Company's Stock Price On Assuming Dilution Calculation For The Senior Convertible Notes
Impact Of Company's Stock Price On Assuming Dilution Calculation For The Subordinated Convertible Notes