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Employee Benefit Plans (Weighted Average Assumptions Estimate The Fair Value Of Options Granted) (Details)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Employee Benefit Plans [Abstract]    
Risk-free interest rate 2.51% 3.07%
Expected dividend yield 3.90% 3.88%
Volatility factor 48.40% 41.12%
Expected life of option 5 years 8 years