Share-Based Compensation (Assumption For Fair Value Of Options Granted) (Details)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Risk-free interest rate	1.90%	1.90%
Weighted average expected life in years	5 years 9 months 18 days	5 years 10 months 24 days
Expected volatility	27.20%	36.90%
Dividend yield	2.20%	2.40%