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Capital Stock | 6 Months Ended
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Jun. 30, 2015
Equity [Abstract] |
Capital Stock | Capital Stock In first quarter 2015, we accelerated the expiration date of our shareholder rights plan from December 11, 2017 to March 13, 2015, resulting in termination of the plan. Please read Note 17—Share-Based and Long-Term Incentive Compensation for information about additional shares of common stock that could be issued under terms of our share-based compensation plans. At second quarter-end 2015, personnel of former affiliates held options to purchase 510,000 shares of our common stock. The options have a weighted average exercise price of $28.42 and a weighted average remaining contractual term of one year. At second quarter-end 2015, the options have an aggregate intrinsic value of $17,700.

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