Share-Based Compensation (Assumptions For Employee Stock Purchase Plan) (Details)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	1.90%	1.50%
Weighted average expected life in years	5 years 10 months 24 days	6 years
Expected volatility	36.90%	38.90%
Dividend yield	2.40%	2.80%
Employee Stock Purchase Plan (ESPP) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	0.10%	0.24%
Weighted average expected life in years	1 year	1 year
Expected volatility	21.90%	27.60%
Dividend yield	2.40%	2.80%