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Share-Based Compensation (Tables)
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3 Months Ended | ||||||||||||||||||
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Mar. 31, 2015
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||
| Assumptions for Stock Options and SARs | We used the following assumptions as part of a binomial lattice-based valuation to determine the fair value of the SARs we granted during the 2015 first quarter:
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