Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 29, 2014

Net Benefit Cost of Pension and Postretirement Benefit Plans

Net benefit cost of pension and postretirement benefit plans consisted of the following:

	Pension Three Months Ended						Other Postretirement Benefits Three Months Ended				Pension Six Months Ended						Other Postretirement Benefits Six Months Ended
	June 29, 2014			June 30, 2013			June 29, 2014		June 30, 2013		June 29, 2014			June 30, 2013			June 29, 2014		June 30, 2013
	(Dollars in thousands)
Service cost	$	447		$	464		$	138	$	161	$	897		$	929		$	276	$	325
Interest cost	$	4,486			4,142		$	596		542		8,969			8,281			1,193		1,541
Expected return on plan assets	$	(6,264	)		(5,774	)	$	—		—		(12,524	)		(11,544	)		—		—
Net amortization and deferral	$	1,070			1,414		$	27		202		2,141			2,824			53		932
Net benefit expense (income)	$	(261	)	$	246		$	761	$	905	$	(517	)	$	490		$	1,522	$	2,798