Pension and Other Postretirement Plans (Tables)

3 Months Ended

Mar. 31, 2020

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Costs

The following table presents the components of net periodic benefit costs recognized.

		Three Months Ended
		March 31,
(In thousands)		2020		2019
Pension Benefits
Components of net periodic benefit cost:
Service cost	$	1,316	$	1,141
Interest cost		3,023		3,452
Expected return on assets		(6,811)		(5,547)
Amortization of:
Prior service credit		(31)		(28)
Actuarial loss		1,286		1,729
Net periodic benefit (credit) cost	$	(1,217)	$	747
Postretirement Benefits
Components of net periodic benefit cost:
Service cost	$	311	$	219
Interest cost		573		577
Expected return on assets		(790)		(681)
Amortization of:
Transition obligation		1		1
Prior service credit		(667)		(667)
Actuarial loss		70		106
Net periodic benefit (credit) cost	$	(502)	$	(445)