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Stock Transactions and Stock-Based Compensation (Assumptions Used In The Black-Scholes Model To Value Options Granted) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock repurchased during period, shares 0 0  
Weighted average volatility 23.60% 30.10% 28.00%
Dividend yield 0.20% 0.20% 0.20%
Minimum
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate 1.00% 0.70% 1.20%
Expected years until exercise 6 years 6 years 6 years
Maximum
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate 2.30% 1.70% 3.20%
Expected years until exercise 8 years 6 months 8 years 6 months 8 years 6 months