SEGMENT INFORMATION (Details)	3 Months Ended
	Mar. 31, 2010 Segment	Mar. 31, 2009 Segment	Dec. 31, 2011 Segment	Nov. 30, 2009 Segment
SEGMENT INFORMATION
Number of operating segments	3		3	4
Number of business divisions	3	3	3
Number of segments combined		2
Number of core business segment in which the UCB segment is combined	2
Number of segment whom broad administrative support are provided			2