Acquisitions	6 Months Ended
Jun. 30, 2011
Acquisitions [Abstract]
Acquisitions	Note 4. Acquisitions On May 31, 2010, the Company paid approximately $23 million to acquire a controlling interest in a joint venture after one of the Company’s former partners exercised its right to put its interest to the Company in accordance with the terms of the joint venture agreement. This acquisition resulted in a gain of $5 million which was recorded in the gain (loss) on asset dispositions and impairments, net line item. During the three months ended March 31, 2011, the Company acquired the remaining subordinated equity of this joint venture for approximately $1 million which was reflected as a decrease in equity attributable to the Company.

Acquisitions

6 Months Ended

Jun. 30, 2011

Note 4. Acquisitions

On May 31, 2010, the Company paid approximately $23 million to acquire a controlling interest in a joint venture after one of the Company’s former partners exercised its right to put its interest to the Company in accordance with the terms of the joint venture agreement. This acquisition resulted in a gain of $5 million which was recorded in the gain (loss) on asset dispositions and impairments, net line item. During the three months ended March 31, 2011, the Company acquired the remaining subordinated equity of this joint venture for approximately $1 million which was reflected as a decrease in equity attributable to the Company.