Equity-Based Compensation Plans (Summary Of Outstanding Stock Options) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at January 1, (in shares)	83,827	144,684	222,130
Shares exercised	(70,968)	(60,857)	(77,446)
Outstanding and exercisable at December 31, (in shares)	12,859	83,827	144,684
Outstanding at January 1, Weighted Avg. Exercise Price (in dollars per share)	$ 27.46	$ 23.34	$ 21.64
Shares exercised, Weighted Avg. Exercise Price (in dollars per share)	$ 26.25	$ 17.66	$ 18.47
Outstanding and exercisable at December 31, Weighted Avg. Exercise Price (in dollars per share)	$ 30.92	$ 27.46	$ 23.34
Shares exercised, Aggregate Intrinsic Value	$ 1,423	$ 938	$ 1,496