Stock-Based Compensation
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9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2013
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Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stock-Based Compensation | Stock-Based Compensation We issue stock-based incentive awards to our eligible employees and Directors under the 2002 Employee Stock Incentive Plan and a Director Deferred Stock Ownership Plan. No further awards may be granted under the 1993 Employee Stock Incentive Plan and any remaining outstanding options under the 1993 Employee Stock Incentive Plan expired in the first quarter of 2013. The 2002 Employee Stock Incentive Plan permits the granting of nonqualified stock options, stock appreciation rights, performance stock, restricted stock and other stock-based awards. Stock-based compensation for the periods ended September 30 is as follows:
As of September 30, 2013 and December 31, 2012, we issued 5.3 million and 8.4 million common shares, respectively, upon exercise of certain stock options outstanding. |