Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Pension Costs

Pension costs include the following components for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended September 30,
	2017						2016
	Non-U.S.			U.S.			Non-U.S.			U.S.
Service cost	$	—		$	—		$	763		$	1,662
Interest cost	506			2,148			589			2,389
Return on plan assets	(739		)	(2,941		)	(828		)	(3,097		)
Amortization of prior service cost	—			—			25			30
Recognized net actuarial loss	264			366			35			1,099
Settlement and curtailment gains	(620		)	—			—			—
Net pension benefit cost (gain)	$	(589	)	$	(427	)	$	584		$	2,083

	Nine Months Ended September 30,
	2017						2016
	Non-U.S.			U.S.			Non-U.S.			U.S.
Service cost	$	—		$	—		$	2,337		$	4,986
Interest cost	1,476			6,445			1,864			7,167
Return on plan assets	(2,161		)	(8,823		)	(2,627		)	(9,291		)
Amortization of prior service cost	—			—			78			88
Recognized net actuarial loss	775			1,098			110			3,299
Settlement and curtailment gains	(620		)	—			—			—
Net pension benefit cost (gain)	$	(530	)	$	(1,280	)	$	1,762		$	6,249