DISCONTINUED OPERATIONS (Details 2) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating costs and expenses:
Income (loss) from discontinued operations	$ 11.0	$ 2.0	$ 11.6	$ (0.9)
Less: Provision for (benefit from) income taxes of discontinued operations	6.0	0.4	5.3	(0.3)
Net income (loss) from discontinued operations	5.0	1.6	6.3	(0.6)
Aromatics | Discontinued Operations Disposed Of By Sale
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net sales	125.1	222.2	400.0	594.2
Operating costs and expenses:
Cost of sales	127.3	219.0	399.6	591.3
Selling, general and administrative expenses	0.9	1.2	2.9	3.8
Total operating costs and expenses	128.2	220.2	402.5	595.1
Operating income (loss) from discontinued operations	(3.1)	2.0	(2.5)	(0.9)
Pre tax gain on business disposal	14.1		14.1
Income (loss) from discontinued operations	11.0	2.0	11.6	(0.9)
Less: Provision for (benefit from) income taxes of discontinued operations	6.0	0.4	5.3	(0.3)
Net income (loss) from discontinued operations	$ 5.0	$ 1.6	$ 6.3	$ (0.6)