Employee Benefit Plans (Tables)

9 Months Ended

Sep. 26, 2020

Retirement Benefits [Abstract]

Net pension cost

Net pension cost for the three and nine months ended September 26, 2020 and September 28, 2019 includes the following components (in thousands):

	Pension Benefits				Pension Benefits
	Three Months Ended				Nine Months Ended
	September 26, 2020		September 28, 2019		September 26, 2020		September 28, 2019
Service cost	$	764	$	664	$	2,268	$	2,025
Interest cost	1,425		1,698		4,283		5,122
Expected return on plan assets	(2,042)		(1,816)		(6,113)		(5,452)
Amortization of prior service cost	9		9		25		27
Amortization of net loss	854		1,146		2,562		3,439
Net pension cost	$	1,010	$	1,701	$	3,025	$	5,161