Retirement Plans

9 Months Ended

Sep. 30, 2019

Compensation And Retirement Disclosure [Abstract]

Retirement Plans

(10) Retirement Plans

The components of the net periodic benefit cost (credit) for our plans were as follows:

	Defined Benefit Pension Plan
	3 Months Ended						9 Months Ended
	September 30,						September 30,
	2019			2018			2019			2018
Service cost	$	4.1		$	2.6		$	10.9		$	8.2
Interest cost		3.2			2.9			9.5			8.8
Expected return on assets		(3.5	)		(2.6	)		(9.4	)		(8.1	)
Other		0.5			0.4			1.4			1.1
Total benefit cost	$	4.3		$	3.3		$	12.4		$	10.0
	Retiree Health Care Plan
	3 Months Ended						9 Months Ended
	September 30,						September 30,
	2019			2018			2019			2018
Interest cost	$	0.1		$	0.1		$	0.4		$	0.3
Net loss		-			0.1			-			0.1
Prior service credit		(0.2	)		(0.2	)		(0.6	)		(0.6	)
Total benefit credit	$	(0.1	)	$	-		$	(0.2	)	$	(0.2	)

During the three and nine months ended September 30, 2019, contributions made to our pension plans were $5.2 and $9.6, respectively, and contributions made to our retiree health care plan were $0.3 and $0.9, respectively. During 2019, we expect to make total contributions of approximately $17.0 to our pension plans and to fund our retiree health care payments as incurred.