EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2023

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

Schedule of net periodic benefit cost

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	2023		2022		2023		2022
Components of net periodic benefit cost:
Service cost	$	12.0	$	13.9	$	36.0	$	41.7
Interest cost	4.5		1.8		13.3		5.8
Expected return on plan assets	(4.8)		(4.3)		(14.4)		(13.1)
Amortization of prior service cost and actuarial loss	—		0.1		0.1		0.1
Net periodic benefit cost	$	11.7	$	11.5	$	35.0	$	34.5

(In millions)	Three Months Ended September 30,				Nine Months Ended September 30,
Post-Retirement Medical Plan	2023		2022		2023		2022
Components of net periodic benefit cost:
Service cost	$	0.1	$	0.2	$	0.4	$	0.6
Interest cost	0.2		—		0.5		0.3
Amortization of prior service cost and actuarial loss	—		0.2		—		0.3
Net periodic benefit cost	$	0.3	$	0.4	$	0.9	$	1.2