Equity

12 Months Ended

Dec. 31, 2012

Equity [Abstract]

Equity

Equity

Preferred Stock

The following table describes the number of shares authorized, issued and outstanding of our preferred stock as of December 31, 2012 and 2011:

	As of December 31, 2012			As of December 31, 2011
(In thousands)	Authorized	Issued	Outstanding	Authorized	Issued	Outstanding
Series A	1,750	—	—	1,750	—	—
Series X junior participating	1,000	—	—	1,000	—	—
Undesignated	5,250	—	—	5,250	—	—
Total preferred stock	8,000	—	—	8,000	—	—

We have 8,000,000 shares of Preferred Stock authorized. Shares may be issued without a vote or action of stockholders from time to time in classes or series with the designations, powers, preferences, and the relative, participating, optional or other special rights of the shares of each such class or series and any qualifications, limitations or restrictions thereon as set forth in the instruments governing such shares. Any such Preferred Stock may rank prior to common stock as to dividend rights, liquidation preference or both, and may have full or limited voting rights and may be convertible into shares of common stock.

Common Stock

The following table describes the number of shares authorized, issued and outstanding of our common stock as of December 31, 2012 and 2011:

	As of December 31, 2012			As of December 31, 2011
(In thousands)	Authorized	Issued	Outstanding	Authorized	Issued	Outstanding
Common stock	1,000,000	254,237	236,582	1,000,000	255,633	242,115

Share Repurchases

In February 2011, our Board of Directors authorized the repurchase of up to 20.0 million shares of common stock. This authorization does not have an expiration date. In 2012, approximately 7.8 million shares were repurchased at a cost of $984.7 million.

We repurchased approximately 6.0 million shares at a cost of approximately $498.0 million under the 2011 authorization in 2011.

Approximately 6.2 million shares of our common stock remain available for repurchase under the 2011 authorization.