PENSION PLANS AND OTHER POST-RETIREMENT BENEFITS (Tables)

6 Months Ended

Jun. 30, 2021

Defined Benefit Plans

Post-retirement benefit obligation

Schedule of the components of net periodic pension cost

	Quarter Ended				Six Months Ended
	June 30,				June 30,
(In thousands)	2021		2020		2021		2020
Interest cost	$	5,680	$	6,519	$	11,361	$	13,039
Expected return on plan assets		(9,263)		(8,646)		(18,526)		(17,291)
Net amortization loss		557		311		1,114		622
Net prior service cost amortization		31		31		61		61
Net periodic pension benefit	$	(2,995)	$	(1,785)	$	(5,990)	$	(3,569)

Post-retirement Benefit Obligations

Post-retirement benefit obligation

Schedule of the components of net periodic pension cost

	Quarter Ended				Six Months Ended
	June 30,				June 30,
(In thousands)	2021		2020		2021		2020
Service cost	$	223	$	258	$	445	$	516
Interest cost		657		885		1,314		1,769
Expected return on plan assets		(50)		(46)		(100)		(92)
Net amortization gain		(142)		(299)		(284)		(598)
Net prior service cost (credit) amortization		(226)		411		(451)		823
Net periodic post-retirement cost	$	462	$	1,209	$	924	$	2,418