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Earnings Per Share (Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share) (Details) (Stock options and SARs, USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Stock options and SARs
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Stock options and SARs 24,500 250,901 49,000 149,665
Average exercise price $ 73.26 $ 52.72 $ 67.83 $ 58.41