Employee Benefit Plans (Tables)

6 Months Ended

Jul. 01, 2017

Retirement Benefits [Abstract]

Net pension cost

Net pension cost for the three and six months months ended July 1, 2017 and July 2, 2016 includes the following components (in thousands):

	Pension Benefits						Pension Benefits
	Three Months Ended						Six Months Ended
	July 1, 2017			July 2, 2016			July 1, 2017			July 2, 2016
Service cost	$	750		$	685		$	1,485		$	1,322
Interest cost	1,679			1,770			3,348			3,515
Expected return on plan assets	(1,790		)	(1,890		)	(3,578		)	(3,775		)
Amortization of prior service cost/(benefit)	9			7			18			14
Amortization of net loss	1,203			1,166			2,406			2,334
Curtailment gain	—			—			—			(1,223		)
Settlement gain	—			(123		)	—			(123		)
Net pension cost	$	1,851		$	1,615		$	3,679		$	2,064