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Earnings Per Common Share (EPS) (Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share) (Details) - shares
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Earnings Per Common Share (EPS) [Abstract]    
Incremental shares excluded from calculating diluted EPS because their effect was anti-dilutive 636 66,752