BUSINESS SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2012

BUSINESS SEGMENT INFORMATION [Abstract]

Segment disclosure

The following tables set forth certain financial information by segment:

	Three Months Ended
	March 31,
	2012 Restated			2011 Restated
Net sales:
Minerals and materials	$	125.2		$	115.8
Environmental		51.0			51.7
Oilfield services		55.3			45.6
Transportation		11.1			12.7
Intersegment sales		(7.1	)		(7.2	)
Total	$	235.5		$	218.6
Operating profit (loss):
Minerals and materials	$	21.5		$	16.0
Environmental		0.9			1.8
Oilfield services		4.8			5.8
Transportation		0.2			0.5
Corporate		(6.0	)		(5.1	)
Total	$	21.4		$	19.0
	As of Mar. 31, 2012			As of Dec. 31, 2011
Assets:
Minerals and materials	$	437.1		$	430.8
Environmental		162.8			159.4
Oilfield services		189.9			194.7
Transportation		3.9			3.9
Corporate		65.1			60.3
Total	$	858.8		$	849.1

	Three Months Ended
	March 31,
	2012 Restated		2011 Restated
Depreciation, depletion and amortization:
Minerals and materials	$	4.6	$	4.6
Environmental		1.4		1.3
Oilfield services		4.0		3.0
Transportation		-		-
Corporate		0.7		0.6
Total	$	10.7	$	9.5
Capital expenditures:
Minerals and materials	$	6.5	$	2.8
Environmental		2.6		0.7
Oilfield services		6.0		6.4
Transportation		-		-
Corporate		1.5		0.5
Total	$	16.6	$	10.4
Research and development (income) expense:
Minerals and materials	$	1.7	$	1.6
Environmental		0.6		0.5
Oilfield services		0.1		-
Corporate		0.1		(0.2	)
Total	$	2.5	$	1.9