Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

Components Of Net Periodic Benefit Costs

ents of net periodic benefit costs were as follows (in thousands):

	Three months ended
	March 31, 2013			April 1, 2012
Pension and SERPA Benefits
Service cost	$	8,997		$	8,420
Interest cost	19,812			20,816
Expected return on plan assets	(31,832		)	(29,277		)
Amortization of unrecognized:
Prior service cost	437			740
Net loss	14,652			10,969
Net periodic benefit cost	$	12,066		$	11,668
Postretirement Healthcare Benefits
Service cost	$	1,965		$	1,853
Interest cost	3,900			4,578
Expected return on plan assets	(2,384		)	(2,356		)
Amortization of unrecognized:
Prior service credit	(964		)	(963		)
Net loss	2,138			1,855
Net periodic benefit cost	$	4,655		$	4,967

Durin