EMPLOYEE BENEFIT PLANS

9 Months Ended

Sep. 30, 2022

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

EMPLOYEE BENEFIT PLANS

EMPLOYEE BENEFIT PLANS

The components of net periodic benefit cost related to the Company’s defined benefit plans consisted of the following:

(in millions)	Three Months Ended September 30,				Nine Months Ended September 30,
Pension Benefits	2022		2021		2022		2021
Components of net periodic benefit cost:
Service cost	$	13.9	$	14.4	$	41.7	$	43.1
Interest cost	1.8		1.3		5.8		4.0
Expected return on plan assets	(4.3)		(3.6)		(13.1)		(10.7)
Amortization of prior service cost and actuarial loss	0.1		0.1		0.1		0.1
Net periodic benefit cost	$	11.5	$	12.2	$	34.5	$	36.5

(in millions)	Three Months Ended September 30,				Nine Months Ended September 30,
Post-Retirement Medical Plan	2022		2021		2022		2021
Components of net periodic benefit cost:
Service cost	$	0.2	$	0.3	$	0.6	$	0.8
Interest cost	—		0.1		0.3		0.2
Amortization of prior service cost and actuarial loss	0.2		0.1		0.3		0.5
Net periodic benefit cost	$	0.4	$	0.5	$	1.2	$	1.5