SEGMENT INFORMATION (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Segment Information

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Sales:	($ in millions)
Chlor Alkali Products and Vinyls	$	779.4		$	351.8		$	2,216.7		$	1,032.3
Epoxy	470.1			—			1,380.3			—
Winchester	203.2			181.8			567.9			554.7
Total sales	$	1,452.7		$	533.6		$	4,164.9		$	1,587.0
Income (loss) before taxes:
Chlor Alkali Products and Vinyls	$	53.7		$	17.4		$	152.5		$	68.9
Epoxy	10.3			—			18.5			—
Winchester	36.0			30.1			95.9			93.8
Corporate/other:
Pension income	15.4			7.3			40.2			21.8
Environmental expense	(0.4		)	(7.3		)	(5.5		)	(13.1		)
Other corporate and unallocated costs	(28.2		)	(9.2		)	(81.7		)	(44.5		)
Restructuring charges	(5.2		)	(0.3		)	(106.2		)	(2.2		)
Acquisition-related costs	(13.1		)	(14.5		)	(39.6		)	(35.4		)
Other operating (expense) income	(0.2		)	(0.1		)	10.5			42.1
Interest expense	(47.5		)	(14.4		)	(143.6		)	(39.7		)
Interest income	0.5			0.3			1.3			0.9
Income (loss) before taxes	$	21.3		$	9.3		$	(57.7	)	$	92.6