RESTRUCTURING CHARGES (Tables)

3 Months Ended

Mar. 31, 2019

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost

The following table summarizes the 2019 and 2018 activities by major component of these restructuring actions and the remaining balances of accrued restructuring costs as of March 31, 2019 and 2018:

	Employee severance and related benefit costs			Lease and other contract termination costs			Facility exit costs			Total
	($ in millions)
Balance at January 1, 2018	$	1.8		$	3.3		$	—		$	5.1
Restructuring charges	—			0.4			3.6			4.0
Amounts utilized	(0.5		)	(0.8		)	(1.5		)	(2.8		)
Balance at March 31, 2018	$	1.3		$	2.9		$	2.1		$	6.3
Balance at January 1, 2019	$	1.5		$	6.0		$	0.7		$	8.2
Restructuring charges	1.4			0.1			2.5			4.0
Amounts utilized	(0.7		)	(0.6		)	(2.4		)	(3.7		)
Balance at March 31, 2019	$	2.2		$	5.5		$	0.8		$	8.5

Cumulative Restructuring Charges by Type and Plan

The following table summarizes the cumulative restructuring charges of these 2018, 2016 and 2014 restructuring actions by major component through March 31, 2019:

	Chlor Alkali Products and Vinyls				Winchester		Total
	Becancour		Capacity Reductions
	($ in millions)
Write-off of equipment and facility	$	3.5	$	78.1	$	2.6	$	84.2
Employee severance and related benefit costs	2.7		5.9		2.7		11.3
Facility exit costs	5.9		36.3		—		42.2
Employee relocation costs	—		1.7		—		1.7
Lease and other contract termination costs	6.1		40.2		0.3		46.6
Total cumulative restructuring charges	$	18.2	$	162.2	$	5.6	$	186.0