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Shareholders' Equity | 6 Months Ended
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Jun. 30, 2017
Stockholders' Equity Note [Abstract] |
Shareholders' Equity | Shareholders’ Equity Change in accounting principle As described in Note 2 - “New Accounting Pronouncements,” during the first quarter of 2017 we adopted the updated guidance of “Improvements to Employee Share-Based Compensation Accounting.” The adoption of this guidance resulted in an immaterial cumulative effect adjustment to our 2017 beginning retained earnings. 2% Notes As described in Note 3 - “Debt,” on March 21, 2017, we issued an irrevocable notice of redemption in respect of our outstanding 2% Notes, with a redemption date of April 21, 2017. Subsequent to our notice of redemption, in April, holders of approximately $202.5 million of the outstanding principal amount exercised their rights to convert their notes into shares of our common stock. As a result, we issued approximately 29.1 million shares of our common stock, of which 18.7 million shares were reissued from our treasury stock and 10.4 million were newly issued shares. The conversions of the notes increased our shareholders’ equity by the carrying value of the notes, which included outstanding debt issuance costs, at the time of conversion. Shareholders Rights Agreement Our Amended and Restated Rights Agreement dated July 23, 2015 seeks to diminish the risk that our ability to use our NOLs to reduce potential future federal income tax obligations may become substantially limited and to deter certain abusive takeover practices. The benefit of the NOLs would be substantially limited, and the timing of the usage of the NOLs could be substantially delayed, if we were to experience an “ownership change” as defined by Section 382 of the Internal Revenue Code. Under the Agreement each outstanding share of our Common Stock is accompanied by one Right. The “Distribution Date” occurs on the earlier of ten days after a public announcement that a person has become an “Acquiring Person,” or ten business days after a person announces or begins a tender offer in which consummation of such offer would result in a person becoming an “Acquiring Person.” An “Acquiring Person” is any person that becomes, by itself or together with its affiliates and associates, a beneficial owner of 5% or more of the shares of our Common Stock then outstanding, but excludes, among others, certain exempt and grandfathered persons as defined in the Agreement. The Rights are not exercisable until the Distribution Date. Each Right will initially entitle shareholders to buy one-tenth of one share of our Common Stock at a Purchase Price of $45 per full share (equivalent to $4.50 for each one-tenth share), subject to adjustment. Each exercisable Right (subject to certain limitations) will entitle its holder to purchase, at the Rights’ then-current Purchase Price, a number of our shares of Common Stock (or if after the Shares Acquisition Date, we are acquired in a business combination, common shares of the acquiror) having a market value at the time equal to twice the Purchase Price. The Rights will expire on August 1, 2018, or earlier as described in the Agreement. The Rights are redeemable at a price of $0.001 per Right at any time prior to the time a person becomes an Acquiring Person. Other than certain amendments, the Board of Directors may amend the Rights in any respect without the consent of the holders of the Rights.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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