Pension and Other Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Reconciliation of Benefit Obligation, Fair Value of Plan Assets and Funded Status of Respective Defined Benefit (Pension) and Postretirement Benefit Plans

The following tables represent the reconciliation of the benefit obligation, fair value of plan assets and funded status of the respective defined benefit (pension) plans as of December 31, 2017 and 2016:

	Pension Benefits
	US Plan						Non-U.S. Plans						Total Pension Benefits
	Year ended December 31, 2017			Year ended December 31, 2016			Year ended December 31, 2017			Year ended December 31, 2016			Year ended December 31, 2017			Year ended December 31, 2016
Change in benefit obligation:
Obligation at beginning of period	$	25,644		$	26,188		$	23,200		$	7,802		$	48,844		$	33,990
Assumed Stromag benefit obligation		—			—			—			15,284			—			15,284
Service cost		3			3			229			92			232			95
Interest cost		948			1,016			423			171			1,371			1,187
Partial settlement payments		(7,438	)		—			—			(149	)		(7,438	)		(149	)
Actuarial (gains) losses		168			530			(204	)		520			(36	)		1,050
Foreign exchange effect		—			—			3,112			(263	)		3,112			(263	)
Benefits paid		(1,241	)		(2,093	)		(1,769	)		(257	)		(3,010	)		(2,350	)
Obligation at end of period	$	18,084		$	25,644		$	24,991		$	23,200		$	43,075		$	48,844
Change in plan assets:
Fair value of plan assets, beginning of period	$	24,931		$	25,432		$	222		$	230		$	25,153		$	25,662
Partial settlement payments		(7,438	)		—			—			—			(7,438	)		—
Actual return on plan assets		1,823			1,765			21			8			1,844			1,773
Employer contributions		—			—			98			248			98			248
Plan expenses		(148	)		(173	)		29			(7	)		(119	)		(180	)
Benefits paid		(1,241	)		(2,093	)		(260	)		(257	)		(1,501	)		(2,350	)
Fair value of plan assets, end of period	$	17,927		$	24,931		$	110		$	222		$	18,037		$	25,153
Funded status	$	157		$	713		$	24,881		$	22,978		$	25,038		$	23,691
Amounts recognized in the balance sheet consist of:
Total Non-current liabilities	$	157		$	713		$	24,881		$	22,978		$	25,038		$	23,691

Discount Rate Used in Computation of Respective Benefit Obligations

The discount rate used in the computation of the respective benefit obligations at December 31, 2017 and 2016, presented above are as follows:

	US Pension Benefits						Non US Pension Benefits
	2017			2016			2017			2016
Pension benefits		3.30	%		3.80	%		1.76	%		1.75	%

Components of Net Periodic Benefit Cost

The following table represents the components of the net periodic benefit cost associated with the respective plans:

	Pension Benefits
	US Plan						Non-US Plans					Total Pension Benefits
	Year ended December 31, 2017			Year ended December 31, 2016			Year ended December 31, 2017		Year ended December 31, 2016			Year ended December 31, 2017			Year ended December 31, 2016
Service cost	$	3			3			229	$	92		$	232		$	95
Interest cost		948			1,016			423		171			1,371			1,187
Expected return on plan assets		(764	)		(770	)		5		(7	)		(759	)		(777	)
Non-cash impact of partial pension settlement		—			—			—		(149	)		-			(149	)
Amortization of actuarial losses		186			213			264		203			450			416
Recognized partial settlement loss		1,720			—			—		—			1,720			-
Net periodic benefit cost	$	2,093		$	462		$	921	$	310		$	3,014		$	772

Economic Assumptions Used in Computation of Respective Net Periodic Benefit Cost

The key economic assumptions used in the computation of the respective net periodic benefit cost for the periods presented above are as follows:

	Pension Benefits
	US Plan						Non US Plan
	Year ended December 31, 2017			Year ended December 31, 2016			Year ended December 31, 2017			Year ended December 31, 2016
Discount rate		3.80	%		3.90	%		2.50	%		2.50	%
Expected return on plan assets		3.80	%		3.90	%		2.50	%		2.50	%

Schedule of Fair Value of Pension Plan Assets

The fair value of the Company’s pension plan assets at December 31, 2017 and 2016 by asset category is as follows:

	2017		2016
Asset Category
Fixed income (Level 1)
U.S. government	$	2,915	$	3,849
Corporate bonds		—		—
Investment grade		5,308		6,239
High yield		2,156		3,022
Total fixed income		10,379		13,110
Investment grade (Level 2)		7,336		11,560
Other (Level 2)		108		222
Cash and cash equivalents (Level 1)		214		261
Total assets at fair value	$	18,037	$	25,153

Schedule of Asset Allocations for Funded Retirement Plan

The asset allocations for the Company’s funded retirement plan at December 31, 2017 and 2016, respectively, and the target allocation for 2017, by asset category, are as follows:

	Allocation Percentage of Plan Assets at Year-End
	2017 Actual	2017 Target	2016 Actual
Asset Category
U.S. Government Bonds	16%	0 - 50%		15%
Investment Grade Bonds	71%	0 - 100%		72%
High Yield Bonds	12%	0 - 25%		12%
Cash	1%	0 - 5%		1%

Summary of Amounts of Expected Benefit Payments

The following table provides the amounts of expected benefit payments, which are made from the plans’ assets and includes the participants’ share of the costs, which is funded by participant contributions. The amounts in the table are actuarially determined and reflect the Company’s best estimate given its current knowledge; actual amounts could be materially different.

	Pension Benefits
Expected benefit payments (from plan assets)
2018	$	19,855
2019		1,702
2020		1,607
2021		1,521
2022		1,524
Thereafter	$	12,735