Benefit Plans

3 Months Ended

Mar. 31, 2012

Benefit Plans

12.         Benefit Plans

Components of net periodic benefit cost (income) for the three months ended March 31, 2012 and April 2, 2011 were as follows:

	Three months ended
	Pension benefits				Post-retirement
In thousands	March 31,             2012		April 2, 2011		March 31,             2012		April 2, 2011
Service cost	$	3,761	$	3,130	$	55	$	45
Interest cost		8,087		8,225		422		472
Expected return on plan assets		(7,844)		(7,963)		—		—
Amortization of prior year service cost (benefit)		—		—		(6)		(7)
Recognized net actuarial loss (gains)		2,577		971		(602)		(826)
Net periodic benefit cost (income)	$	6,581	$	4,363	$	(131)	$	(316)