Benefit Obligations (Tables)

6 Months Ended

Jun. 30, 2013

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The following tables summarize the components of the net periodic benefit cost:

	Three Months Ended
	June 30, 2013						July 1, 2012
	Pension Benefits			Post-retirement Benefits			Pension Benefits			Post-retirement Benefits
	(In thousands)
Service cost	$	119		$	5		$	116		$	20
Interest cost		14,363			583			15,483			643
Expected return on plan assets		(16,575	)		(902	)		(17,030	)		(856	)
Net actuarial loss, prior service cost and transition asset amortization		4,900			353			3,693			490
Total benefit cost	$	2,807		$	39		$	2,262		$	297

	Six Months Ended
	June 30, 2013						July 1, 2012
	Pension Benefits			Post-retirement Benefits			Pension Benefits			Post-retirement Benefits
	(In thousands)
Service cost	$	242		$	30		$	225		$	45
Interest cost		28,633			1,183			30,735			1,293
Expected return on plan assets		(33,156	)		(1,777	)		(34,053	)		(1,906	)
Net actuarial loss, prior service cost and transition asset amortization		9,569			728			7,162			990
Total benefit cost	$	5,288		$	164		$	4,069		$	422