Employee Benefit Plans (Tables)

3 Months Ended

Mar. 29, 2015

Compensation and Retirement Disclosure [Abstract]

Components Of Net Periodic Benefit Costs

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

	Three months ended
	March 29, 2015			March 30, 2014
Pension and SERPA Benefits
Service cost	$	10,010		$	7,874
Interest cost	21,836			21,731
Expected return on plan assets	(36,232		)	(34,184		)
Amortization of unrecognized:
Prior service cost	109			279
Net loss	13,677			9,140
Net periodic benefit cost	$	9,400		$	4,840
Postretirement Healthcare Benefits
Service cost	$	2,065		$	1,754
Interest cost	3,541			4,220
Expected return on plan assets	(2,877		)	(2,607		)
Amortization of unrecognized:
Prior service credit	(804		)	(963		)
Net loss	993			1,182
Net periodic benefit cost	$	2,918		$	3,586