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Stockholder Rights Plan | 12 Months Ended
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Dec. 31, 2012
Stockholder Rights Plan [Abstract] |
Stockholder Rights Plan [Text Block] |
| STOCKHOLDER RIGHTS PLAN
In September 2003, our Board of Directors adopted a Stockholder Rights Plan (the Rights Plan) and declared a dividend of one preferred share purchase right for each outstanding share of common stock for stockholders of record on September 25, 2003. The Rights Plan provides a reasonable means of safeguarding the interests of all stockholders against unsolicited takeover attempts at a price not reflective of the Company's fair value. The Rights Plan is designed to give the Board of Directors sufficient time to evaluate and respond to an unsolicited takeover attempt and to encourage anyone or group considering such action to negotiate first with the Board of Directors. On October 30, 2009, we amended the Rights Plan in order to preserve the long-term value and availability of our net operating loss (NOL) carryforwards and related tax benefits (“Amended Rights Plan”). The Amended Rights Plan, among other things, reduced the beneficial ownership threshold at which a person or group becomes an “Acquiring Person” under the plan from 15% of our then-outstanding shares of common stock to 4.99% of our then-outstanding shares of common stock. The Amended Rights Plan also expanded the scope of the definition of “Acquiring Person” to include persons or groups that would be considered “5-percent shareholders” under Section 382 of the Internal Revenue Code of 1986, as amended, and the treasury regulations promulgated thereunder. Stockholders who beneficially owned 5% or more of our outstanding shares of common stock at the time of the amendment were exempt from the 4.99% threshold, subject to certain restrictions set forth in the Amended Rights Plan. On February 8, 2011, AAM's Board of Directors approved a second amended and restated rights plan (Second Amended Rights Plan) to remove certain provisions that were added as part of the October 2009 amendment. The Second Amended Rights Plan, among other things, increases the beneficial ownership threshold at which a person or group becomes an “Acquiring Person” under the plan from 4.99% of the Company's then-outstanding shares of common stock, par value $0.01 per share, to 15% of the Company's then-outstanding shares of Common Stock. The Second Amended Rights Plan also narrows the scope of the definition of “Acquiring Person” to exclude the reference to persons or groups that would be considered “5-percent shareholders” under Section 382 of the Internal Revenue Code of 1986, as amended, and the related treasury regulations promulgated thereunder. The Second Amended Rights Plan will automatically expire by its terms on September 15, 2013.

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