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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 9 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Earnings Per Common Share (EPS) [Abstract]    
Options excluded from calculating diluted EPS because their effect was anti-dilutive 636 636