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Earnings (Loss) Per Share Of Common Stock (Schedule Of Weighted-Average Number Of Basic and Diluted Shares) (Details)
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Basic70,122,00067,047,00070,037,00066,773,000
Incremental common stock equivalents    
Diluted70,122,00067,047,00070,037,00066,773,000
Convertible Notes [Member]
    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from the computation of diluted earnings (loss) per share  19,934,997 
Stock Options And Unvested Restricted Stock [Member]
    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from the computation of diluted earnings (loss) per share  1,851,7827,116,919