RESTRUCTURING CHARGES (Tables)

9 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost

The following table summarizes the 2018 and 2017 activities by major component of these restructuring actions and the remaining balances of accrued restructuring costs as of September 30, 2018 and 2017:



	Employee severance and related benefit costs			Lease and other contract termination costs			Employee relocation costs			Facility exit costs			Total
	($ in millions)
Balance at January 1, 2017	$	3.4		$	7.5		$	—		$	1.8		$	12.7
Restructuring charges:
First quarter	—			5.7			0.2			2.3			8.2
Second quarter	—			5.8			0.1			2.6			8.5
Third quarter	—			7.0			—			2.2			9.2
Amounts utilized	(3.0		)	(4.6		)	(0.3		)	(8.8		)	(16.7		)
Balance at September 30, 2017	$	0.4		$	21.4		$	—		$	0.1		$	21.9
Balance at January 1, 2018	$	1.8		$	3.3		$	—		$	—		$	5.1
Restructuring charges:
First quarter	—			0.4			—			3.6			4.0
Second quarter	0.1			3.7			—			2.6			6.4
Third quarter	0.3			0.3			—			2.7			3.3
Amounts utilized	(1.8		)	(1.6		)	—			(7.9		)	(11.3		)
Balance at September 30, 2018	$	0.4		$	6.1		$	—		$	1.0		$	7.5

Cumulative Restructuring Charges by Type and Action

The following table summarizes the cumulative restructuring charges of these 2016, 2014 and 2010 restructuring actions by major component through September 30, 2018:



	Chlor Alkali Products and Vinyls				Winchester		Total
	Becancour		Capacity Reductions		Winchester		Total
	($ in millions)
Write-off of equipment and facility	$	3.5	$	78.1	$	—	$	81.6
Employee severance and related benefit costs	2.7		5.9		14.7		23.3
Facility exit costs	5.9		30.7		2.3		38.9
Pension and other postretirement benefits curtailment	—		—		4.1		4.1
Employee relocation costs	—		1.7		6.0		7.7
Lease and other contract termination costs	5.3		40.0		—		45.3
Total cumulative restructuring charges	$	17.4	$	156.4	$	27.1	$	200.9