Pension and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Plan Disclosure [Line Items]

Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets

Projected benefit obligations related to pension plans with benefit obligations in excess of plan assets follow:

	2016						2015
	U.S.		Non-U.S.		Total		U.S.		Non-U.S.		Total
Projected benefit obligation	$	389,613	$	61,060	$	450,673	$	271,459	$	31,613	$	303,072
Fair value of plan assets	331,260		39,356		370,616		204,270		20,199		224,469

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets

Information related to pension plans with accumulated benefit obligations in excess of plan assets follows:

	2016						2015
	U.S.		Non-U.S.		Total		U.S.		Non-U.S.		Total
Projected benefit obligation	$	389,613	$	61,014	$	450,627	$	271,459	$	30,560	$	302,019
Accumulated benefit obligation	378,431		59,568		437,999		262,172		26,998		289,170
Fair value of plan assets	331,260		39,356		370,616		204,270		19,256		223,526

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

The sources of changes in accumulated other non-owner changes to equity, net, during 2016 were:

	Pension			Other Postretirement Benefits
Prior service cost	$	(1,334	)	$	—
Net (loss) gain	(18,378		)	2,194
Amortization of prior service costs (credits)	142			(234		)
Amortization of actuarial loss	7,030			332
Foreign exchange rate changes	1,378			3
	$	(11,162	)	$	2,295

Schedule of Assumptions Used, Benefit Obligation

Weighted-average assumptions used to determine benefit obligations at December 31, are:

	2016		2015
U.S. plans:
Discount rate	4.50	%	4.65	%
Increase in compensation	2.56	%	3.71	%
Non-U.S. plans:
Discount rate	1.60	%	2.80	%
Increase in compensation	2.29	%	2.71	%

Schedule of Allocation of Plan Assets

The fair values of the Company’s pension plan assets at December 31, 2016 and 2015, by asset category are as follows:

			Fair Value Measurements Using
Asset Category	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
December 31, 2016
Cash and short-term investments	$	3,207	$	3,207	$	—	$	—
Equity securities:
U.S. large-cap	39,162		—		39,162		—
U.S. mid-cap	12,724		12,724		—		—
U.S. small-cap	19,551		19,551		—		—
International equities	135,514		—		135,514		—
Global equity	47,445		47,445		—		—
Fixed income securities:
U.S. bond funds	103,399		—		103,399		—
International bonds	53,783		—		53,783		—
Other	2,127		—		—		2,127
	$	416,912	$	82,927	$	331,858	$	2,127
December 31, 2015
Cash and short-term investments	18,795		18,795		—		—
Equity securities:
U.S. large-cap	67,274		28,190		39,084		—
U.S. mid-cap	38,790		38,790		—		—
U.S. small-cap	38,248		38,248		—		—
International equities	91,563		—		91,563		—
Global equity	17,928		17,928
Fixed income securities:
U.S. bond funds	84,645		—		84,645		—
International bonds	36,282		—		36,282		—
Other	1,857		—		—		1,857
	$	395,382	$	141,951	$	251,574	$	1,857

Schedule of Expected Benefit Payments

The following are the estimated future net benefit payments, which include future service, over the next 10 years:

	Pensions		Other Postretirement Benefits
2017	$	28,703	$	3,983
2018	28,577		3,352
2019	28,878		3,176
2020	28,810		3,294
2021	28,994		3,095
Years 2022-2026	144,566		12,906
Total	$	288,528	$	29,806

Schedule of Net Benefit Costs

Pension and other postretirement benefit expenses consist of the following:

	Pensions									Other Postretirement Benefits
	2016			2015			2014			2016			2015			2014
Service cost	$	5,395		$	5,508		$	4,546		$	122		$	145		$	139
Interest cost	19,494			20,019			22,026			1,766			1,836			2,179
Expected return on plan assets	(30,302		)	(32,404		)	(34,232		)	—			—			—
Amortization of prior service cost (credit)	210			305			648			(373		)	(564		)	(871		)
Recognized losses	10,791			15,004			8,617			535			1,011			1,017
Curtailment loss (gain)	—			—			219			—			—			4
Settlement loss	—			9,939			871			—			—			—
Special termination benefits	—			—			715			—			—			—
Net periodic benefit cost	$	5,588		$	18,371		$	3,410		$	2,050		$	2,428		$	2,468

Schedule of Assumptions Used, Net Benefit Expense

Weighted-average assumptions used to determine net benefit expense for years ended December 31, are:

	2016		2015		2014
U.S. plans:
Discount rate	4.65	%	4.25	%	5.20	%
Long-term rate of return	8.25	%	8.25	%	9.00	%
Increase in compensation	3.71	%	3.71	%	3.72	%
Non-U.S. plans:
Discount rate	2.80	%	2.74	%	3.93	%
Long-term rate of return	4.73	%	5.00	%	5.07	%
Increase in compensation	2.71	%	2.72	%	2.76	%

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A one percentage point change in the assumed health care cost trend rate would have the following effects:

	One Percentage Point Increase		One Percentage Point Decrease
Effect on postretirement benefit obligation	$	319	$	(295	)
Effect on postretirement benefit cost	14		(13		)

Schedule of Multiemployer Plans

Contributions related to the individually insignificant multi-employer plans, as disclosure is required pursuant to the applicable accounting standards, are as follows:

	Contributions by the Company
Pension Fund:	2016		2015		2014
Swedish Pension Plan (ITP2)	673		$	343	$	379
Total Contributions	$	673	$	343	$	379

Defined benefit pension plans [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Funded Status

The accompanying balance sheets reflect the funded status of the Company’s defined benefit pension plans at December 31, 2016 and 2015, respectively. Reconciliations of the obligations and funded status of the plans follow:

	2016									2015
	U.S.			Non-U.S.			Total			U.S.			Non-U.S.			Total
Benefit obligation, January 1	$	385,629		$	75,406		$	461,035		$	433,079		$	80,305		$	513,384
Service cost	3,892			1,503			5,395			4,160			1,348			5,508
Interest cost	17,523			1,971			19,494			17,967			2,052			20,019
Amendments	2,405			(174		)	2,231			—			(463		)	(463		)
Actuarial loss (gain)	6,661			10,814			17,475			(16,622		)	(2,288		)	(18,910		)
Benefits paid	(26,497		)	(4,691		)	(31,188		)	(52,490		)	(4,244		)	(56,734		)
Transfers in	—			25,968			25,968			—			3,951			3,951
Plan curtailments	—			—			—			(465		)	—			(465		)
Plan settlements	—			—			—			—			(375		)	(375		)
Participant contributions	—			1,444			1,444			—			368			368
Foreign exchange rate changes	—			(7,902		)	(7,902		)	—			(5,248		)	(5,248		)
Benefit obligation, December 31	389,613			104,339			493,952			385,629			75,406			461,035
Fair value of plan assets, January 1	326,829			68,553			395,382			380,937			71,750			452,687
Actual return on plan assets	13,051			7,276			20,327			(5,045		)	1,264			(3,781		)
Company contributions	17,877			2,224			20,101			3,427			1,100			4,527
Participant contributions	—			1,444			1,444			—			368			368
Benefits paid	(26,497		)	(4,691		)	(31,188		)	(52,490		)	(4,244		)	(56,734		)
Plan settlements	—			—			—			—			(376		)	(376		)
Transfers in	—			18,320			18,320			—			3,434			3,434
Foreign exchange rate changes	—			(7,474		)	(7,474		)	—			(4,743		)	(4,743		)
Fair value of plan assets, December 31	331,260			85,652			416,912			326,829			68,553			395,382
Underfunded status, December 31	$	(58,353	)	$	(18,687	)	$	(77,040	)	$	(58,800	)	$	(6,853	)	$	(65,653	)

Schedule of Amounts Recognized in Balance Sheet

Amounts related to pensions recognized in the accompanying balance sheets consist of:

	2016									2015
	U.S.			Non-U.S.			Total			U.S.			Non-U.S.			Total
Other assets	$	—		$	3,017		$	3,017		$	8,389		$	4,561		$	12,950
Accrued liabilities	2,813			367			3,180			2,806			379			3,185
Accrued retirement benefits	55,540			21,337			76,877			64,383			11,035			75,418
Accumulated other non-owner changes to equity, net	(91,530		)	(19,458		)	(110,988		)	(83,014		)	(16,812		)	(99,826		)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Amounts related to pensions recognized in accumulated other non-owner changes to equity, net of tax, at December 31, 2016 and 2015, respectively, consist of:

	2016									2015
	U.S.			Non-U.S.			Total			U.S.			Non-U.S.			Total
Net actuarial loss	$	(89,772	)	$	(19,822	)	$	(109,594	)	$	(82,643	)	$	(16,999	)	$	(99,642	)
Prior service costs	(1,758		)	364			(1,394		)	(371		)	187			(184		)
	$	(91,530	)	$	(19,458	)	$	(110,988	)	$	(83,014	)	$	(16,812	)	$	(99,826	)

Other postretirement benefit plans [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Funded Status

The accompanying balance sheets reflect the underfunded status of the Company’s other postretirement benefit plans at December 31, 2016 and 2015. Reconciliations of the obligations and underfunded status of the plans follow:

	2016			2015
Benefit obligation, January 1	$	41,706		$	46,814
Service cost	122			145
Interest cost	1,766			1,836
Actuarial gain	(3,495		)	(2,521		)
Benefits paid	(5,621		)	(6,970		)
Participant contributions	2,281			2,486
Foreign exchange rate changes	94			(84		)
Benefit obligation, December 31	36,853			41,706
Fair value of plan assets, January 1	—			—
Company contributions	3,340			4,484
Participant contributions	2,281			2,486
Benefits paid	(5,621		)	(6,970		)
Fair value of plan assets, December 31	—			—
Underfunded status, December 31	$	36,853		$	41,706

Schedule of Amounts Recognized in Balance Sheet

Amounts related to other postretirement benefits recognized in the accompanying balance sheets consist of:

	2016			2015
Accrued liabilities	$	5,081		$	5,259
Accrued retirement benefits	31,772			36,447
Accumulated other non-owner changes to equity, net	(3,582		)	(5,877		)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Amounts related to other postretirement benefits recognized in accumulated other non-owner changes to equity, net of tax, at December 31, 2016 and 2015 consist of:

	2016			2015
Net actuarial loss	$	(3,532	)	$	(6,061	)
Prior service credits	(50		)	184
	$	(3,582	)	$	(5,877	)