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Earnings Per Common Share (Potentially Dilutive Securities Excluded From Computation Of Earnings Per Share) (Details)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Earnings Per Common Share [Abstract]    
Antidilutive convertible preferred shares16,02415,81916,02415,819
Shares issuable under option awards10701040
Unvested stock awards 111 111