Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2013

Pension Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of components of net periodic cost

The components of net periodic pension (income)/cost were as follows:

	For the Quarters Ended
	March 31, 2013								March 25, 2012
(In thousands)	Qualified Plans			Non- Qualified Plans		All Plans			Qualified Plans			Non- Qualified Plans		All Plans
Service cost	$	2,323		$	256	$	2,579		$	3,007		$	377	$	3,384
Interest cost	19,756			2,679		22,435			24,187			3,165		27,352
Expected return on plan assets	(31,063		)	—		(31,063		)	(29,577		)	—		(29,577		)
Amortization of prior service (credit)/cost	(486		)	—		(486		)	201			—		201
Recognized actuarial loss	8,701			1,340		10,041			7,466			1,162		8,628
Net periodic pension (income)/cost	$	(769	)	$	4,275	$	3,506		$	5,284		$	4,704	$	9,988

Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of components of net periodic cost

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

	For the Quarters Ended
(In thousands)	March 31, 2013			March 25, 2012
Service cost	$	285		$	239
Interest cost	1,009			1,246
Amortization of prior service credit	(3,693		)	(3,778		)
Recognized actuarial loss	1,022			832
Curtailment gain	—			(27,213		)
Net periodic postretirement benefit income	$	(1,377	)	$	(28,674	)