Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Notes)

Subsequent Events (Notes)
6 Months Ended
Jun. 30, 2012
Subsequent Events [Abstract]  
Subsequent Events [Text Block]
Subsequent Events
On July 18, 2012, the Company completed a public offering of 50,000,000 shares of its common stock and issued an additional 7,500,000 shares of common stock pursuant to the underwriters' over-allotments at a price of $10.44 per share, for gross proceeds of approximately $600.3 million. Net proceeds to the Company from the offering were approximately $592.4 million, net of issuance costs of approximately $7.9 million.
Events subsequent to June 30, 2012 were evaluated through the date these financial statements were issued and no additional events were identified requiring further disclosure in these Condensed Consolidated Financial Statements.