BUSINESS SEGMENT INFORMATION (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Segment	Mar. 31, 2012	Dec. 31, 2012
BUSINESS SEGMENT INFORMATION [Abstract]
Number of operating segments	5
Segment disclosure [Abstract]
Net sales	$ 236.7	$ 235.5
Operating profit (loss)	16.3	21.4
Assets	915.0		910.6
Depreciation, depletion, and amortization	11.8	10.7
Capital expenditures	22.6	16.6
Research and development (income) expense	3.1	2.5
Intersegments Eliminations [Member]
Segment disclosure [Abstract]
Net sales	(6.6)	(7.1)
Corporate [Member]
Segment disclosure [Abstract]
Operating profit (loss)	(6.2)	(6.0)
Assets	75.8		69.2
Depreciation, depletion, and amortization	0.8	0.7
Capital expenditures	2.1	1.5
Research and development (income) expense	0.1	0.1
Performance Materials [Member] | Segment Reconciling Items [Member]
Segment disclosure [Abstract]
Net sales	117.2	125.2
Operating profit (loss)	15.9	21.5
Assets	440.7		454.0
Depreciation, depletion, and amortization	4.8	4.6
Capital expenditures	4.1	6.5
Research and development (income) expense	1.8	1.7
Construction Technologies [Member] | Segment Reconciling Items [Member]
Segment disclosure [Abstract]
Net sales	42.8	51.0
Operating profit (loss)	(1.8)	0.9
Assets	153.7		157.6
Depreciation, depletion, and amortization	1.4	1.4
Capital expenditures	0.2	2.6
Research and development (income) expense	0.7	0.6
Energy Services [Member] | Segment Reconciling Items [Member]
Segment disclosure [Abstract]
Net sales	73.1	55.3
Operating profit (loss)	8.2	4.8
Assets	241.2		225.8
Depreciation, depletion, and amortization	4.8	4.0
Capital expenditures	16.1	6.0
Research and development (income) expense	0.5	0.1
Transportation [Member] | Segment Reconciling Items [Member]
Segment disclosure [Abstract]
Net sales	10.2	11.1
Operating profit (loss)	0.2	0.2
Assets	3.6		4.0
Depreciation, depletion, and amortization	0	0
Capital expenditures	$ 0.1	$ 0