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Stock-based Compensation (Schedule of the Assumptions of SARs) (Details) (SARs [Member])
12 Months Ended
Dec. 31, 2013
SARs [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk free interest rate 1.29%
Expected life 7 years
Expected volatility 28.72%
Expected dividend yield 1.71%