Employee Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2016

Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures

The change in benefit obligations and funded status of our U.S. and non-U.S. pension benefits (in thousands):



	Year Ended December 31, 2016						Transitional Period April 25, 2015 to December 31, 2015
	U.S. Pension Benefits			Non-U.S. Pension Benefits			U.S. Pension Benefits			Non-U.S. Pension Benefits
Accumulated benefit obligations at year end:	10,615			39,002			10,218			29,315
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	10,218		$	29,315		$	—		$	—
Service cost	—			693			—			155
Interest cost	367			534			86			117
Benefits obligations assumed in the Mergers	—			—			10,378			29,082
Employee contributions	—			—			—			—
Plan curtailments and settlements ⁽¹⁾	(609		)	(296		)	(59		)	—
Actuarial (gain) loss	698			1,227			(40		)	193
Benefits paid	(249		)	(2,214		)	(147		)	(232		)
Foreign currency exchange rate changes and other	—			(682		)	—			—
Projected benefit obligation at end of year	$	10,425		$	28,577		$	10,218		$	29,315
Change in plan assets:
Fair value of plan assets at beginning of year	5,858			2,760			—			—
Actual return on plan assets	277			29			(33		)	6
Plan assets acquired in the Mergers	—			—			6,097			2,676
Employer contributions	648			—			—			83
Employee contributions	—			369			—			—
Plan settlements	(609		)	—			(59		)	—
Benefits paid	(249		)	(244		)	(147		)	(5		)
Foreign currency exchange rate changes	—			63			—			—
Fair value of plan assets at end of year	$	5,925		$	2,977		$	5,858		$	2,760
Funded status at end of year:
Fair value of plan assets	5,925			2,977			5,858			2,760
Projected Benefit obligations	10,425			28,577			10,218			29,315
Underfunded status of the plans ⁽²⁾	4,500			25,600			4,360			26,555
Recognized liability	$	4,500		$	25,600		$	4,360		$	26,555
Amounts recognized on the consolidated balance sheets consist of:
Non-current assets	—			—			—			—
Current liabilities	—			—			—			—
Non-current liabilities	4,500			25,600			4,360			26,555
Recognized liability	$	4,500		$	25,600		$	4,360		$	26,555

(1) Benefits to be accumulated in future periods in our French defined benefit plan were curtailed due to our Meylan, French facility restructuring.

(2) In certain countries outside the United States fully funding pension plans is not a common practice. Consequently, certain pension plans have been partially funded.

Schedule of Net Benefit Costs

The net periodic benefit cost of the defined benefit pension plans includes the following components (in thousands):



	U.S. Pension Benefits						Non-U.S. Pension Benefits
	Year Ended December 31, 2016			Transitional Period April 25, 2015 to December 31, 2015			Year Ended December 31, 2016			Transitional Period April 25, 2015 to December 31, 2015
Service cost	$	—		$	—		$	693		$	155
Interest cost	367			86			534			117
Expected return on plan assets	(277		)	(77		)	(29		)	—
Settlement and curtailment loss (gains)	259			282			(296		)	—
Amortization of net actuarial loss	439			96			1,227			—
Net periodic benefit cost	$	788		$	387		$	2,129		$	272

Schedule of Assumptions Used

Major actuarial assumptions used in determining the benefit obligations and net periodic benefit (income) cost for our significant benefit plans are presented in the following table:



	U.S. Pension Benefits				Non-U.S. Pension Benefits
	Year Ended December 31, 2016		Transitional Period April 25, 2015 to December 31, 2015		Year Ended December 31, 2016		Transitional Period April 25, 2015 to December 31, 2015
Actuarial assumptions used to determine benefit obligation
Discount rate	3.63	%	3.79	%	0.27% - 1.50%		0.48% - 2.00%
Rate of compensation increase	N/A		N/A		2.50% - 3.89%		2.50% - 3.89%
Actuarial assumptions used to determine net periodic benefit cost
Discount rate	3.04% - 3.79%		3.64	%	3.64	%	—	%
Expected return on plan assets	5.00	%	5.00	%	5.00	%	N/A

Schedule of Allocation of Plan Assets

Our U.S. pension plan target allocations by asset category:



	U.S. Pension Benefits as of December 31, 2016
Equity Securities	25	%
Debt Securities	70	%
Other	5	%

Fair Value of Plan Assets

The following tables provide information by level for the retirement benefit plan assets that are measured at fair value, as defined by U.S. GAAP (in thousands):



	Fair Value as of		Fair Value Measurement Using Inputs Considered as:
	December 31, 2016		Level 1		Level 2		Level 3
Equity mutual funds	$	1,660	$	—	$	1,660	$	—
Fixed income mutual funds	4,041		—		4,041		—
Money market funds	224		224		—		—
	$	5,925	$	224	$	5,701	$	—



	Fair Value as of		Fair Value Measurement Using Inputs Considered as:
	December 31, 2015		Level 1		Level 2		Level 3
Equity mutual funds	$	1,727	$	—	$	1,727	$	—
Fixed income mutual funds	4,058		—		4,058		—
Money market funds	73		73		—		—
	$	5,858	$	73	$	5,785	$	—

Schedule of Expected Benefit Payments

Benefit payments, including amounts to be paid from our assets, and reflecting expected future service, as appropriate, are expected to be paid as follows (in thousands):



	U.S. Plans		Non-U.S. Plans
2017	$	687	$	1,058
2018	881		935
2019	574		898
2020	994		877
2021	723		1,011
Thereafter	$	6,756	$	23,798