Equity	9 Months Ended
Sep. 30, 2012
Equity
Equity	Note 3—Equity Treasury Stock On August 24, 2010, our Board of Directors authorized the repurchase of up to $200 million of our common stock. During the three months ended September 30, 2011, we purchased 3,994,940 shares for $154.3 million (including transaction costs) under the program at an average cost of $38.63 per share. During the nine months ended September 30, 2011, we purchased 4,160,228 shares for $162.1 million (including transaction costs) under the program at an average cost of $38.96 per share. These stock repurchases are included as a reduction to Equity in the Condensed Consolidated Balance Sheet as of December 31, 2011. All funds for this repurchase program were exhausted as of August 19, 2011. Repurchases were made from time to time on the open market in accordance with applicable federal securities laws. During the nine months ended September 30, 2012, we cancelled and retired the 5,278,828 shares of treasury stock we purchased under the repurchase program. As a result of this transaction, we recorded a reduction in treasury stock of $200.2 million and a corresponding reduction of $200.1 million and $0.1 million in retained earnings and common stock, respectively.

Note 3—Equity

Treasury Stock

On August 24, 2010, our Board of Directors authorized the repurchase of up to $200 million of our common stock. During the three months ended September 30, 2011, we purchased 3,994,940 shares for $154.3 million (including transaction costs) under the program at an average cost of $38.63 per share. During the nine months ended September 30, 2011, we purchased 4,160,228 shares for $162.1 million (including transaction costs) under the program at an average cost of $38.96 per share. These stock repurchases are included as a reduction to Equity in the Condensed Consolidated Balance Sheet as of December 31, 2011. All funds for this repurchase program were exhausted as of August 19, 2011. Repurchases were made from time to time on the open market in accordance with applicable federal securities laws. During the nine months ended September 30, 2012, we cancelled and retired the 5,278,828 shares of treasury stock we purchased under the repurchase program. As a result of this transaction, we recorded a reduction in treasury stock of $200.2 million and a corresponding reduction of $200.1 million and $0.1 million in retained earnings and common stock, respectively.