Benefit Plans

9 Months Ended

Sep. 29, 2012

Benefit Plans

13. Benefit Plans

Components of net periodic benefit cost were as follows:

	Three months ended
	Pension benefits						Post-retirement
In thousands	September 29, 2012			October 1, 2011			September 29, 2012			October 1, 2011
Service cost	$	3,761		$	3,131		$	55		$	45
Interest cost		8,087			8,225			422			472
Expected return on plan assets		(7,844	)		(7,963	)		—			—
Amortization of prior year service benefit		—			—			(6	)		(7)
Recognized net actuarial loss (gains)		2,577			971			(602	)		(826)
Net periodic benefit cost (income)	$	6,581		$	4,364		$	(131	)	$	(316)
	Nine months ended
	Pension benefits						Post-retirement
In thousands	September 29, 2012			October 1, 2011			September 29, 2012			October 1, 2011
Service cost	$	11,283		$	9,392		$	165		$	135
Interest cost		24,261			24,675			1,266			1,416
Expected return on plan assets		(23,532	)		(23,890	)		—			—
Amortization of prior year service benefit		—			—			(18	)		(21)
Recognized net actuarial loss (gains)		7,731			2,914			(1,806	)		(2,479)
Net periodic benefit cost (income)	$	19,743		$	13,091		$	(393	)	$	(949)

As a result of the Merger, we acquired additional plan assets of $229.5 million and pension benefit obligations of $347.5 million.