Employee Benefit Plans (Tables)

9 Months Ended

Sep. 27, 2014

Compensation and Retirement Disclosure [Abstract]

Net pension cost

Net pension cost for the three and nine months months ended September 27, 2014 and September 28, 2013 includes the following components (in thousands):

	Pension Benefits						Pension Benefits
	Three Months Ended						Nine Months Ended
	September 27, 2014			September 28, 2013			September 27, 2014			September 28, 2013
Service cost	$	1,418		$	77		$	4,316		$	230
Interest cost	3,275			1,318			9,934			3,954
Expected return on plan assets	(3,563		)	(1,819		)	(10,782		)	(5,457		)
Amortization of prior service cost	4			15			12			45
Amortization of net loss	520			1,300			1,559			3,900
Net pension cost	$	1,654		$	891		$	5,039		$	2,672

	Other Post Retirement Benefits				Other Post Retirement Benefits
	Three Months Ended				Nine Months Ended
	September 27, 2014		September 28, 2013		September 27, 2014		September 28, 2013
Service cost	$	43	$	—	$	131	$	—
Interest cost	20		—		62		—
Net pension cost	$	63	$	—	$	193	$	—