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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $)
In Millions
9 Months Ended
Sep. 30, 2010
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) [Abstract] 
Common stock and convertible notes issued in connection with an acquisition during 2010$ 14
Convertible notes issued in connection with an acquisition in 2010 and converted to common stock in 2010.$ 6.3