Pension and Other Postretirement Obligations (Tables)

3 Months Ended

Mar. 31, 2013

Pension and Other Postretirement Obligations

The following table provides the components of net periodic benefit costs for our pension and other postretirement benefit plans:

	Pension Obligations						Other Postretirement Obligations
	March 31, 2013			April 1, 2012			March 31, 2013			April 1, 2012
	(In thousands)
Three Months Ended
Service cost	$	1,687		$	1,432		$	34		$	32
Interest cost		2,949			3,010			526			588
Expected return on plan assets		(3,406	)		(3,165	)		—			—
Amortization of prior service credit		(8	)		(19	)		(28	)		(29	)
Actuarial losses		1,668			1,492			278			262
Net periodic benefit cost	$	2,890		$	2,750		$	810		$	853