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Capital Stock
6 Months Ended
Jun. 30, 2013
Text Block [Abstract]  
Capital Stock
Capital Stock
Pursuant to our stockholder rights plan, each share of common stock outstanding is coupled with one-quarter of a preferred stock purchase right (Right). Each Right entitles our stockholders to purchase, under certain conditions, one one-hundredth of a share of newly issued Series A Junior Participating Preferred Stock at an exercise price of $100. Rights will be exercisable only if someone acquires beneficial ownership of 20 percent or more of our common shares or commences a tender or exchange offer, upon consummation of which they would beneficially own 20 percent or more of our common shares. We will generally be entitled to redeem the Rights at $0.001 per Right at any time until the 10th business day following public announcement that a 20 percent position has been acquired. The Rights will expire on December 11, 2017.
Please read Note 17 — Share-Based 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 2013, personnel of former affiliates held options to purchase 855,000 shares of our common stock. The options have a weighted average exercise price of $24.09 and a weighted average remaining contractual term of three years. At second quarter-end 2013, the options have an aggregate intrinsic value of $908,000.