Benefit Plans (Tables)

6 Months Ended

Jul. 02, 2017

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension Cost

The components of net periodic pension cost were as follows:

	Second Quarter						First Half
(in thousands)	2017			2016			2017			2016
Service cost	$	150		$	29		$	300		$	57
Interest cost		2,979			3,031			5,958			6,062
Expected return on plan assets		(3,399	)		(3,457	)		(6,798	)		(6,915	)
Recognized net actuarial loss		807			740			1,614			1,481
Amortization of prior service cost		7			7			14			14
Net periodic pension cost	$	544		$	350		$	1,088		$	699

Components of Net Periodic Postretirement Benefit Cost

The components of net periodic postretirement benefit cost were as follows:

	Second Quarter						First Half
(in thousands)	2017			2016			2017			2016
Service cost	$	572		$	350		$	1,144		$	700
Interest cost		911			777			1,822			1,555
Recognized net actuarial loss		648			588			1,296			1,175
Amortization of prior service cost		(746	)		(840	)		(1,492	)		(1,680	)
Net periodic postretirement benefit cost	$	1,385		$	875		$	2,770		$	1,750