Share-Based Payments (Schedule Of Information Regarding Stock Options Outstanding) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Share-based Compensation [Abstract]
Options outstanding, Number	143	248
Options outstanding, weighted average per share exercise price	$ 52.44	$ 45.72
Options outstanding, aggregate intrinsic value	$ 605
Options outstanding, weighted average remaining contractual term (in years)	7 years 0 months 18 days
Options exercisable, Number	74
Options exercisable, weighted average per share exercise price	$ 51.42
Options exercisable, aggregate intrinsic value	$ 412
Options exercisable, weighted average remaining contractual term (in years)	6 years 1 month 24 days