Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2018

Pension Plan

Pension Benefits

Schedule of Components of Net Periodic Pension Cost and Postretirement Benefit Income

The components of net periodic pension cost were as follows:

	For the Quarters Ended
	September 30, 2018								September 24, 2017
(In thousands)	Qualified Plans			Non- Qualified Plans		All Plans			Qualified Plans			Non- Qualified Plans		All Plans
Service cost	$	2,393		$	—	$	2,393		$	2,423		$	—	$	2,423
Interest cost	13,207			1,848		15,055			15,596			1,956		17,552
Expected return on plan assets	(20,591		)	—		(20,591		)	(26,136		)	—		(26,136		)
Amortization of actuarial loss	6,680			1,294		7,974			7,351			1,088		8,439
Amortization of prior service credit	(487		)	—		(487		)	(486		)	—		(486		)
Other	—			421		421			—			—		—
Net periodic pension cost/(income)	$	1,202		$	3,563	$	4,765		$	(1,252	)	$	3,044	$	1,792

	For the Nine Months Ended
	September 30, 2018								September 24, 2017
(In thousands)	Qualified Plans			Non- Qualified Plans		All Plans			Qualified Plans			Non- Qualified Plans		All Plans
Service cost	$	7,593		$	—	$	7,593		$	7,269		$	—	$	7,269
Interest cost	39,564			5,543		45,107			46,784			5,868		52,652
Expected return on plan assets	(61,736		)	—		(61,736		)	(78,408		)	—		(78,408		)
Amortization of actuarial loss	20,122			3,882		24,004			22,057			3,264		25,321
Amortization of prior service credit	(1,459		)	—		(1,459		)	(1,458		)	—		(1,458		)
Other	—			421		421			—			—		—
Net periodic pension cost/(income)	$	4,084		$	9,846	$	13,930		$	(3,756	)	$	9,132	$	5,376

Other Postretirement Benefit Plan

Pension Benefits

Schedule of Components of Net Periodic Pension Cost and Postretirement Benefit Income

The components of net periodic postretirement benefit income were as follows:

	For the Quarters Ended						For the Nine Months Ended
(In thousands)	September 30, 2018			September 24, 2017			September 30, 2018			September 24, 2017
Service cost	$	8		$	92		$	18		$	276
Interest cost	370			470			1,108			1,410
Amortization of actuarial loss	1,183			905			3,551			2,715
Amortization of prior service credit	(1,590		)	(1,939		)	(4,772		)	(5,816		)
Net periodic postretirement benefit income	$	(29	)	$	(472	)	$	(95	)	$	(1,415	)