EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Jun. 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 June 30,				Six Months Ended June 30,
Pension Benefits	2023		2022		2023		2022
Components of net periodic benefit cost:
Service cost	$	11.9	$	13.9	$	24.0	$	27.8
Interest cost	4.6		1.9		8.9		3.9
Expected return on plan assets	(4.8)		(4.3)		(9.6)		(8.7)
Net periodic benefit cost	$	11.7	$	11.5	$	23.3	$	23.0

(In millions)	Three Months Ended June 30,				Six Months Ended June 30,
Post-Retirement Medical Plan	2023		2022		2023		2022
Components of net periodic benefit cost:
Service cost	$	0.1	$	0.2	$	0.3	$	0.4
Interest cost	0.1		0.2		0.3		0.3
Amortization of prior service cost and actuarial loss	—		—		—		0.1
Net periodic benefit cost	$	0.2	$	0.4	$	0.6	$	0.8