Plant Closures and Divestitures (Tables)

9 Months Ended

Sep. 30, 2019

Discontinued Operations And Disposal Groups [Abstract]

Summary of Restructuring Activities and Related Reserves

Details of the restructuring activities and related reserves are as follows:

	Severance and employee benefits			Environmental remediation			Asset Retirement			Other			Total
(Dollars in millions)
Reserve at December 31, 2017	$	1.7		$	2.7		$	10.6		$	3.3		$	18.3
Accrual		0.0			0.9			1.8			2.2			4.9
Cost charged against assets		0.0			0.0			0.0			(2.1	)		(2.1	)
Reversal of accrued charges		0.0			0.0			(0.9	)		0.0			(0.9	)
Cash paid		0.0			(3.4	)		(7.9	)		(0.5	)		(11.8	)
Currency translation		0.0			(0.2	)		0.0			(0.1	)		(0.3	)
Reserve at December 31, 2018	$	1.7		$	0.0		$	3.6		$	2.8		$	8.1
Accrual		0.0			0.0			2.6			3.0			5.6
Cost charged against assets		0.0			0.0			0.0			(3.0	)		(3.0	)
Reversal of accrued charges		(0.4	)		0.0			0.0			0.0			(0.4	)
Cash paid		(0.4	)		0.0			(5.2	)		0.0			(5.6	)
Reserve at September 30, 2019	$	0.9		$	0.0		$	1.0		$	2.8		$	4.7