v2.3.0.15
Noncontrolling Interests (Details) (USD $)
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Noncontrolling Interests    
Earnings (losses) attributable to noncontrolling interest before tax$ 26,200,000$ 23,600,000$ 74,500,000$ 62,200,000
Earnings (losses) attributable to noncontrolling interest, tax(100,000)(100,000)(800,000)(600,000)
Distributions paid to noncontrolling interest holders31,700,00022,300,00072,270,00055,562,000
Capital contribution from noncontrolling interests  $ 22,589,000$ 1,000,000