Defined Contribution Plans, Pension and Other Post-Retirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Change in Benefit Obligation, Plan Assets and Funded Status

The change in benefit obligation, plan assets and funded status as of December 31 consisted of the following:



	U.S. Pension and Other Post-Retirement Benefit Plans						Non-U.S. Pension Plans
	2017			2016			2017			2016
Change in benefit obligation:
Benefit obligation — Beginning of the year	$	47,512		$	47,795		$	40,820		$	39,186
Service cost	116			126			—			—
Interest cost	1,810			1,878			1,138			1,370
Participant contributions	8			7			—			—
Benefits paid	(2,188		)	(2,161		)	(1,309		)	(1,454		)
Actuarial loss (gain)	2,814			(133		)	1,099			9,234
Exchange rate changes	—			—			3,989			(7,516		)
Benefit obligation at end of the year	50,072			47,512			45,737			40,820
Change in plan assets:
Fair value of plan assets — Beginning of the year	38,390			36,270			31,080			33,608
Actual return on plan assets	6,584			2,035			1,798			4,214
Employer contributions	2,252			2,239			747			756
Participant contributions	8			7			—			—
Benefits paid	(2,188		)	(2,161		)	(1,309		)	(1,454		)
Exchange rate changes	—			—			3,061			(6,044		)
Fair value of plan assets at end of the year	45,046			38,390			35,377			31,080
Funded status	$	(5,026	)	$	(9,122	)	$	(10,360	)	$	(9,740	)

Amounts Recognized in Consolidated Balance Sheets

Amounts recognized in the Consolidated Balance Sheets at December 31 consisted of:



	U.S. Pension and Other Post-Retirement Benefit Plans				Non-U.S. Pension Plans
	2017		2016		2017		2016
Current liabilities	$	52	$	64	$	—	$	—
Noncurrent liabilities	4,974		9,058		10,360		9,740
Amount recognized	$	5,026	$	9,122	$	10,360	$	9,740

Components of Net Periodic Benefit Cost

The components of net periodic (benefit) cost for the years ended December 31 were as follows:



	U.S. Pension and Other Post-Retirement Benefit Plans									Non-U.S. Pension Plans
	2017			2016			2015			2017			2016			2015
Service cost	$	116		$	126		$	135		$	—		$	—		$	—
Interest cost	1,810			1,878			1,864			1,138			1,370			1,470
Expected return on plan assets	(2,684		)	(2,719		)	(2,673		)	(1,196		)	(1,520		)	(1,597		)
Amortization of prior service cost	6			6			6			—			—			—
Recognized actuarial loss (gain)	21			308			336			312			210			275
Net periodic (benefit) cost	$	(731	)	$	(401	)	$	(332	)	$	254		$	60		$	148

Amounts Recognized in Accumulated Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive income (loss), before taking into account income tax effects, at December 31 are as follows:



	U.S. Pension and Other Post-Retirement Benefit Plans						Non-U.S. Pension Plans
	2017		2016		2015		2017		2016		2015
Net actuarial loss	$	13,765	$	15,219	$	14,974	$	13,454	$	14,134	$	8,784
Prior service cost	57		63		69		—		—		—
	$	13,822	$	15,282	$	15,043	$	13,454	$	14,134	$	8,784

Amounts Recognized as Other Changes in Plan Assets and Benefit Obligations in Other Comprehensive Income

Amounts recognized as other changes in plan assets and benefit obligations in other comprehensive income (loss), before taking into account income tax effects, for the year ended December 31 are as follows:



	U.S. Pension and Other Post-Retirement Plans						Non-U.S. Pension Plans
	2017			2016			2017			2016
Actuarial loss (gain)	$	(1,087	)	$	551		$	519		$	6,001
Amortization of actuarial (gain) loss	(367		)	(308		)	(504		)	(193		)
Prior Service credit	(6		)	(6		)	—			—
Total recognized in other comprehensive income (loss)	$	(1,460	)	$	237		$	15		$	5,808

Weighted-Average Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost

Weighted-average assumptions used to determine benefit obligations at December 31 were as follows:



	U.S. Pension and Other Post-Retirement Benefit Plans				Non-U.S. Pension Plans
	2017		2016		2017		2016
Discount rate	3.42	%	3.87	%	2.45	%	2.70	%

Weighted-average assumptions used to determine net periodic benefit cost at December 31 were as follows:



	U.S. Pension and Other Post-Retirement Plans						Non-U.S. Pension Plans
	2017		2016		2015		2017		2016		2015
Discount rate	3.87	%	4.05	%	3.73	%	2.70	%	3.90	%	3.50	%
Expected return on plan assets	7.00	%	7.50	%	7.50	%	3.70	%	5.00	%	4.60	%

Current Investment Allocation Target for Pension Plans and Weighted-Average Asset Allocations

Our current investment allocation target for our pension plans for 2017 and our weighted-average asset allocations of our pension assets for the years ended December 31, by asset category, are as follows:



	Target Allocation				Actual Allocations as of December 31,
	2017		2016		U.S. Pension Plans		Non-U.S. Pension Plans
	U.S.	Non-U.S.	U.S.	Non-U.S.	2017	2016	2017	2016
Cash and cash equivalents	—	—	—	—	—	—	—	—
Equity/Balanced securities	55	55	55	55	57	52	58	55
Fixed income securities	25	45	25	45	20	23	42	45
Real estate	20	—	20	—	23	25	—	—
	100%	100%	100%	100%	100%	100%	100%	100%

Fair Values of Pension Plan Assets by Asset Category and by Level

The fair values of our pension plan assets by asset category and by level as described in Note 2 for the years ended December 31, 2017 and 2016 are as follows:



	December 31, 2017
			Quoted Prices in Active Markets for Identical Assets		Significant Observable Inputs		Significant Unobservable Inputs
	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	$	264	$	264	$	—	$	—
Equities:
U.S. large value	5,499		5,499		—		—
U.S. large growth	5,792		5,792		—		—
International blend	10,734		—		10,734		—
Emerging markets	3,613		3,613		—		—
Balanced	21,895		—		21,895		—
Fixed income securities:
Government bonds	9,806		—		9,806		—
Corporate bonds	12,667		—		12,667		—
Real Estate:
U.S. property	10,153		—		—		10,153
Total pension fund assets	$	80,423	$	15,168	$	55,102	$	10,153

	December 31, 2016
			Quoted Prices in Active Markets for Identical Assets		Significant Observable Inputs		Significant Unobservable Inputs
	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	$	174	$	174	$	—	$	—
Equities:
U.S. large value	4,800		4,800		—		—
U.S. large growth	4,805		4,805		—		—
International blend	7,954		—		7,954		—
Emerging markets	2,464		2,464		—		—
Balanced	18,486		—		18,486		—
Fixed income securities:
Government bonds	8,402		—		8,402		—
Corporate bonds	12,976		—		12,976		—
Real Estate:
U.S. property	9,409		—		—		9,409
Total pension fund assets	$	69,470	$	12,243	$	47,818	$	9,409

Fair Value of Pension Plan Assets Measured Using Significant Unobservable Inputs

The fair value of our pension plan assets measured using significant unobservable inputs (Level 3) at December 31 are as follows:



	2017		2016
Beginning balance	$	9,409	$	8,645
Actual return on assets held at reporting date	744		764
Ending balance	$	10,153	$	9,409

Expected Future Benefit Payments of Pension and Other Post-Retirement Benefit Plans

The following table summarizes our expected future benefit payments of our pension and other post-retirement benefit plans:



Year Ending December 31,	Pension Plans
2018	$	4,065
2019	$	4,275
2020	$	4,461
2021	$	4,499
2022	$	4,467
2023 to 2026	$	23,547