Stock-Based Compensation (Summary Of Stock Options, By Exercise Price Range) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Stock-Based Compensation Plans [Abstract]
Options Outstanding, Range of Exercise Prices, Lower Limit	$ 21.82
Options Outstanding, Range of Exercise Prices, Upper Limit	$ 40.62
Outstanding, Options, Ending Balance	156,669	153,418
Options Outstanding, Weighted Average Remaining Contractual Term (years)	6 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price	$ 31.72
Options Exercisable, Number Exercisable	63,090
Options Exercisable, Weighted Average Remaining Contractual Term	4 years
Options Exercisable, Weighted Average Exercise Price	$ 30.28