Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 27, 2016

Pension Plans, Defined Benefit

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
	March 27, 2016								March 29, 2015
(In thousands)	Qualified Plans			Non- Qualified Plans		All Plans			Qualified Plans			Non- Qualified Plans		All Plans
Service cost	$	2,247		$	—	$	2,247		$	2,988		$	—	$	2,988
Interest cost	16,574			2,034		18,608			18,938			2,502		21,440
Expected return on plan assets	(27,790		)	—		(27,790		)	(28,775		)	—		(28,775		)
Amortization of actuarial loss	7,069			1,053		8,122			9,397			1,270		10,667
Amortization of prior service credit	(486		)	—		(486		)	(486		)	—		(486		)
Effect of settlement	—			—		—			40,329			—		40,329
Net periodic pension (income)/cost	$	(2,386	)	$	3,087	$	701		$	42,391		$	3,772	$	46,163

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
(In thousands)	March 27, 2016			March 29, 2015
Service cost	$	104		$	147
Interest cost	495			688
Amortization of actuarial loss	1,026			1,303
Amortization of prior service credit	(2,110		)	(2,475		)
Net periodic postretirement benefit income	$	(485	)	$	(337	)