Pension Plans and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2021

Pension Plans and Other Postretirement Benefits

Schedule of Net Periodic Benefit Costs

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Defined Benefit Pension Plans (1)
Service cost	$	4.1	$	3.1	$	8.2	$	6.5
Interest cost		0.5		0.7		1.0		1.4
Expected return on plan assets		(0.3)		(0.3)		(0.3)		(0.6)
Amortization of prior service credit		(0.2)		(0.3)		(0.4)		(0.6)
Amortization of net loss		1.6		1.0		3.1		2.0
Net periodic benefit cost	$	5.7	$	4.2	$	11.6	$	8.7

(1) All amounts represent components of net periodic benefit costs.