Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Defined benefit pension plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

	Three Months Ended September 30,												Nine Months Ended September 30,
	U.S. Plan						Non-U.S. Plans						U.S. Plan						Non-U.S. Plans
	2016			2015			2016			2015			2016			2015			2016			2015
Service cost	$	3,478		$	3,915		$	1,389		$	1,655		$	10,435		$	11,746		$	4,167		$	5,006
Interest cost	5,762			5,790			1,334			1,482			17,285			17,372			4,103			4,444
Expected return on plan assets	(9,698		)	(10,392		)	(1,899		)	(2,012		)	(29,095		)	(31,178		)	(5,821		)	(6,042		)
Amortization:
Prior service cost	184			225			(100		)	22			550			673			(299		)	67
Recognized actuarial loss	1,610			3,155			670			665			4,828			9,465			2,010			2,001
Transition obligation	—			—			1			(15		)	—			—			3			3
Curtailments, special termination benefits, and settlements	—			—			—			2			—			810			—			5
Net periodic expense	$	1,336		$	2,693		$	1,395		$	1,799		$	4,003		$	8,888		$	4,163		$	5,484

Supplemental Employee Retirement Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

	Three Months Ended September 30,					Nine Months Ended September 30,
	2016			2015		2016			2015
Service cost	$	740		$	934	$	2,219		$	2,804
Interest cost	1,317			1,266		3,951			3,797
Amortization:
Prior service cost	1,567			1,731		4,700			5,195
Recognized actuarial (gain) loss	(141		)	71		(421		)	214
Net periodic expense	$	3,483		$	4,002	$	10,449		$	12,010

Post-Retirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Service cost	$	13		$	41		$	39		$	122
Interest cost	105			128			314			384
Amortization:
Prior service cost	(36		)	(93		)	(107		)	(279		)
Recognized actuarial gain	(59		)	(8		)	(177		)	(23		)
Net periodic expense	$	23		$	68		$	69		$	204