Pension and Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2019

General Discussion Of Pension And Other Postretirement Benefits [Abstract]

Schedule of Pension and Postretirement Costs (Benefits)

For the three and nine months ended September 30, 2019 and 2018, pension and postretirement costs (benefits) were as follows:

	Three Months Ended September 30,
	2019			2018			2019			2018
(dollars in millions)	Pension Benefits						Postretirement and Other Benefits
Service cost	$	-		$	-		$	0.2		$	0.3
Other components of pension and postretirement benefit plans expense:
Interest cost on projected benefit obligation		5.9			5.9			1.3			1.3
Expected return on plan assets		(7.7	)		(8.7	)		-			-
Amortization of:
Prior service benefit		-			-			(0.6	)		(0.7	)
Actuarial loss		3.5			4.2			0.4			1.0
Total amortization		3.5			4.2			(0.2	)		0.3
Pension / postretirement costs	$	1.7		$	1.4		$	1.3		$	1.9

	Nine Months Ended September 30,
	2019			2018			2019			2018
(dollars in millions)	Pension Benefits						Postretirement and Other Benefits
Service cost	$	-		$	-		$	0.5		$	0.4
Other components of pension and postretirement benefit plans expense:
Interest cost on projected benefit obligation		17.9			14.2			3.8			2.9
Expected return on plan assets		(23.0	)		(21.1	)		-			-
Amortization of:
Prior service benefit		-			-			(1.9	)		(2.3	)
Actuarial loss		10.3			12.7			1.3			3.1
Total amortization		10.3			12.7			(0.6	)		0.8
Pension / postretirement costs	$	5.2		$	5.8		$	3.7		$	4.1