SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2013

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Revenue by segment

The composition of our revenues by segment is as follows:

	Nine Months Ended
	September 30,
	2013			2012
Performance materials		48	%		50	%
Construction technologies		21	%		24	%
Energy services		30	%		25	%
Transportation		5	%		5	%
Intersegment sales		-4	%		-4	%
		100	%		100	%