Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Weighted Average Assumptions Used in Calculating the Fair Value of Stock Option

The fair value of the first half of 2013 grants was calculated with the following weighted average assumptions:

Risk free interest rate	1.3	%
Expected life of option in years	6.5
Expected dividend yield	3.2	%
Expected volatility	29.9	%