Share-Based Compensation (Weighted Average Of Fair Value And Significant Assumptions Used In Applying Black-Scholes Model For Options Granted) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation [Abstract]
Weighted average of fair value for options granted	$ 6.79	$ 4.88	$ 5.78
Expected dividend yield	1.30%	1.50%	1.00%
Expected volatility	32.50%	35.00%	30.00%
Risk-free interest rate	0.78%	0.67%	1.46%
Expected life (in years)	4 years 6 months	4 years 6 months	4 years 6 months