Annual report pursuant to Section 13 and 15(d)

Stock Compensation (Valuation Assumptions Of Stock Option Plan) (Details)

v2.4.0.8
Stock Compensation (Valuation Assumptions Of Stock Option Plan) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stock Compensation [Abstract]      
Expected volatility rate 31.80% 31.20% 27.70%
Risk free interest rate 2.10% 2.30% 3.40%
Expected holding period 6 years 6 years 6 years
Dividend yield 6.30% 4.60% 4.20%