Pension and Other Postretirement Obligations (Tables)

3 Months Ended

Mar. 30, 2014

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Costs

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

	Pension Obligations						Other Postretirement Obligations
Three Months Ended	March 30, 2014			March 31, 2013			March 30, 2014			March 31, 2013
	(In thousands)
Service cost	$	2,019		$	1,687		$	31		$	34
Interest cost		4,081			2,949			551			526
Expected return on plan assets		(5,116	)		(3,406	)		—			—
Amortization of prior service credit		—			(8	)		(26	)		(28	)
Actuarial losses		1,723			1,668			189			278
Net periodic benefit cost	$	2,707		$	2,890		$	745		$	810