Pension and Other Postretirement Obligations

9 Months Ended

Sep. 27, 2020

Retirement Benefits [Abstract]

Pension and Other Postretirement Obligations

Pension and Other Postretirement Obligations

The following table provides the components of net periodic benefit costs for our pension and other postretirement benefit plans: 

	Pension Obligations				Other Postretirement Obligations
Three Months Ended	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
	(In thousands)
Service cost	$	885	$	978	$	8	$	10
Interest cost	2,493		2,901		202		273
Expected return on plan assets	(4,091)		(3,841)		—		—
Amortization of prior service cost (credit)	47		(143)		—		—
Actuarial losses (gains)	688		292		(19)		(25)
Net periodic benefit cost	$	22	$	187	$	191	$	258
Nine Months Ended
Service cost	$	2,709	$	2,952	$	24	$	29
Interest cost	7,240		8,779		599		815
Expected return on plan assets	(12,035)		(11,978)		—		—
Amortization of prior service cost (credit)	136		(117)		—		—
Actuarial losses (gains)	2,038		894		(57)		(76)
Net periodic benefit cost	$	88	$	530	$	566	$	768