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Common Stock Offering	6 Months Ended
Common Stock Offering	Jun. 30, 2011
Common Stock Offering [Abstract]
issuance of common stock [Text Block]	Common Stock Offering In April 2011, we sold 27.6 million shares of our common stock at $6.00 per share in a public offering. The net proceeds from the offering were $158 million. Net proceeds from this offering (after underwriting discounts and commissions) were used to redeem $144 million of our 10% senior notes.