Benefit Plans (Tables)

9 Months Ended

Sep. 25, 2021

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost (Income)

The components of net periodic benefit cost (income) are as follows:

	For the Quarter Ended				For the Nine Months Ended
(In thousands)	September 25, 2021		September 26, 2020		September 25, 2021		September 26, 2020
Pension benefits:
Interest cost	$	313	$	862	$	939	$	2,586
Expected return on plan assets	(903)		(1,496)		(2,711)		(4,486)
Amortization of net loss	378		494		1,135		1,482
Net periodic benefit income	$	(212)	$	(140)	$	(637)	$	(418)
Other benefits:
Service cost	$	64	$	59	$	194	$	176
Interest cost	87		106		261		321
Amortization of prior service credit	(118)		(117)		(353)		(401)
Amortization of net gain	(32)		(50)		(96)		(150)
Curtailment gain	—		$	—	—		$	(2,591)
Net periodic benefit cost (income)	$	1	$	(2)	$	6	$	(2,645)