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Pension and Other Postretirement Benefits (Tables)
 12 Months Ended
Dec. 31, 2015
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:
 
 
2015
 
2014
 
 
U.S.
 
Non-U.S.
 
Total
 
U.S.
 
Non-U.S.
 
Total
Projected benefit obligation
 
$
271,459

 
$
31,613

 
$
303,072

 
$
297,067

 
$
29,971

 
$
327,038

Fair value of plan assets
 
204,270

 
20,199

 
224,469

 
234,305

 
17,660

 
251,965
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:
 
 
2015
 
2014
 
 
U.S.
 
Non-U.S.
 
Total
 
U.S.
 
Non-U.S.
 
Total
Projected benefit obligation
 
$
271,459

 
$
30,560

 
$
302,019

 
$
297,067

 
$
23,496

 
$
320,563

Accumulated benefit obligation
 
262,172

 
26,998

 
289,170

 
286,217

 
20,446

 
306,663

Fair value of plan assets
 
204,270

 
19,256

 
223,526

 
234,305

 
12,552

 
246,857
Schedule of Amounts Recognized in Other Comprehensive Income (Loss)
The sources of changes in accumulated other non-owner changes to equity, net, during 2015 were: 
 
 
Pension
 
Other
Postretirement
Benefits
Prior service cost
 
$
379

 
$
—

Net (loss) gain
 
(10,493
)
 
1,557

Amortization of prior service costs (credits)
 
213

 
(354
)
Amortization of actuarial loss
 
16,007

 
627

Foreign exchange rate changes
 
1,682

 
(32
)
 
 
$
7,788

 
$
1,798
Schedule of Assumptions Used, Benefit Obligation
Weighted-average assumptions used to determine benefit obligations at December 31, are:
 
 
2015
 
2014
U.S. plans:
 
 
 
 
Discount rate
 
4.65
%
 
4.25
%
Increase in compensation
 
3.71
%
 
3.73
%
Non-U.S. plans:
 
 
 
 
Discount rate
 
2.80
%
 
2.74
%
Increase in compensation
 
2.71
%
 
2.72
%
Schedule of Allocation of Plan Assets
The fair values of the Company’s pension plan assets at December 31, 2015 and 2014, 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, 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

 
—

Real estate securities
 
—

 
—

 
—

 
—

Other
 
1,857

 
—

 
—

 
1,857

 
 
$
395,382

 
$
141,951

 
$
251,574

 
$
1,857

December 31, 2014
 
 
 
 
 
 
 
 
Cash and short-term investments
 
10,805

 
10,805

 
—

 
—

Equity securities:
 
 
 
 
 
 
 
 
U.S. large-cap
 
137,051

 
65,484

 
71,567

 
—

U.S. mid-cap
 
48,614

 
48,614

 
—

 
—

U.S. small-cap
 
47,972

 
47,972

 
—

 
—

International equities
 
71,451

 
—

 
71,451

 
—

Fixed income securities:
 
 
 
 
 
 
 
 
U.S. bond funds
 
79,810

 
—

 
79,810

 
—

International bonds
 
35,949

 
—

 
35,949

 
—

Real estate securities
 
18,915

 
—

 
18,915

 
—

Other
 
2,120

 
—

 
—

 
2,120

 
 
$
452,687

 
$
172,875

 
$
277,692

 
$
2,120
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
2015
 
$
29,147

 
$
4,467

2016
 
29,071

 
3,933

2017
 
28,980

 
3,540

2018
 
29,290

 
3,687

2019
 
29,051

 
3,468

Years 2020-2024
 
145,470

 
14,242

Total
 
$
291,009

 
$
33,337
Schedule of Net Benefit Costs
Pension and other postretirement benefit expenses consist of the following:
 
 
 
Pensions
 
Other
Postretirement Benefits
 
 
2015
 
2014
 
2013
 
2015
 
2014
 
2013
Service cost
 
$
5,508

 
$
4,546

 
$
6,181

 
$
145

 
$
139

 
$
233

Interest cost
 
20,019

 
22,026

 
20,112

 
1,836

 
2,179

 
2,061

Expected return on plan assets
 
(32,404
)
 
(34,232
)
 
(33,144
)
 
—

 
—

 
—

Amortization of prior service cost (credit)
 
305

 
648

 
752

 
(564
)
 
(871
)
 
(1,006
)
Recognized losses
 
15,004

 
8,617

 
16,365

 
1,011

 
1,017

 
1,004

Curtailment loss (gain)
 
—

 
219

 
199

 
—

 
4

 
(3,081
)
Settlement loss
 
9,939

 
871

 
637

 
—

 
—

 
—

Special termination benefits
 
—

 
715

 
1,016

 
—

 
—

 
—

Net periodic benefit cost
 
$
18,371

 
$
3,410

 
$
12,118

 
$
2,428

 
$
2,468

 
$
(789
)
Schedule of Assumptions Used, Net Benefit Expense
Weighted-average assumptions used to determine net benefit expense for years ended December 31, are:
 
 
 
2015
 
2014
 
2013
U.S. plans:
 
 
 
 
 
 
Discount rate
 
4.25
%
 
5.20
%
 
4.25
%
Long-term rate of return
 
8.25
%
 
9.00
%
 
9.00
%
Increase in compensation
 
3.71
%
 
3.72
%
 
3.71
%
Non-U.S. plans:
 
 
 
 
 
 
Discount rate
 
2.74
%
 
3.93
%
 
3.73
%
Long-term rate of return
 
5.00
%
 
5.07
%
 
5.33
%
Increase in compensation
 
2.72
%
 
2.76
%
 
2.69
%
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
 
$
391

 
$
(360
)
Effect on postretirement benefit cost
 
17

 
(15
)
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:
2015
 
2014
 
2013
Teamsters Local 641 Pension Fund (Edison, New Jersey)
$
—

 
$
—

 
$
23

Swedish Pension Plan (ITP2)
343

 
379

 
414

Total Contributions
$
343

 
$
379

 
$
437
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, 2015 and 2014, respectively. Reconciliations of the obligations and funded status of the plans follow:
 
 
 
2015
 
2014
 
 
U.S.
 
Non-U.S.
 
Total
 
U.S.
 
Non-U.S.
 
Total
Benefit obligation, January 1
 
$
433,079

 
$
80,305

 
$
513,384

 
$
374,740

 
$
78,982

 
$
453,722

Service cost
 
4,160

 
1,348

 
5,508

 
3,549

 
997

 
4,546

Interest cost
 
17,967

 
2,052

 
20,019

 
19,129

 
2,897

 
22,026

Amendments
 
—

 
(463
)
 
(463
)
 
—

 
—

 
—

Actuarial (gain) loss
 
(16,622
)
 
(2,288
)
 
(18,910
)
 
58,906

 
9,728

 
68,634

Benefits paid
 
(52,490
)
 
(4,244
)
 
(56,734
)
 
(23,960
)
 
(3,405
)
 
(27,365
)
Transfers in
 
—

 
3,951

 
3,951

 
—

 
1,929

 
1,929

Plan curtailments
 
(465
)
 
—

 
(465
)
 
—

 
—

 
—

Plan settlements
 
—

 
(375
)
 
(375
)
 
—

 
(4,949
)
 
(4,949
)
Special termination benefit
 
—

 
—

 
—

 
715

 
—

 
715

Participant contributions
 
—

 
368

 
368

 
—

 
906

 
906

Foreign exchange rate changes
 
—

 
(5,248
)
 
(5,248
)
 
—

 
(6,780
)
 
(6,780
)
Benefit obligation, December 31
 
385,629

 
75,406

 
461,035

 
433,079

 
80,305

 
513,384

Fair value of plan assets, January 1
 
380,937

 
71,750

 
452,687

 
379,059

 
74,519

 
453,578

Actual return on plan assets
 
(5,045
)
 
1,264

 
(3,781
)
 
20,436

 
6,349

 
26,785

Company contributions
 
3,427

 
1,100

 
4,527

 
5,402

 
2,219

 
7,621

Participant contributions
 
—

 
368

 
368

 
—

 
906

 
906

Benefits paid
 
(52,490
)
 
(4,244
)
 
(56,734
)
 
(23,960
)
 
(3,405
)
 
(27,365
)
Plan settlements
 
—

 
(376
)
 
(376
)
 
—

 
(4,949
)
 
(4,949
)
Transfers in
 
—

 
3,434

 
3,434

 
—

 
1,929

 
1,929

Foreign exchange rate changes
 
—

 
(4,743
)
 
(4,743
)
 
—

 
(5,818
)
 
(5,818
)
Fair value of plan assets, December 31
 
326,829

 
68,553

 
395,382

 
380,937

 
71,750

 
452,687

Funded/(underfunded) status, December 31
 
$
(58,800
)
 
$
(6,853
)
 
$
(65,653
)
 
$
(52,142
)
 
$
(8,555
)
 
$
(60,697
)
Schedule of Amounts Recognized in Balance Sheet
Amounts related to pensions recognized in the accompanying balance sheets consist of:
 
 
2015
 
2014
 
 
U.S.
 
Non-U.S.
 
Total
 
U.S.
 
Non-U.S.
 
Total
Other assets
 
$
8,389

 
$
4,561

 
$
12,950

 
$
10,620

 
$
3,882

 
$
14,502

Accrued liabilities
 
2,806

 
379

 
3,185

 
2,810

 
376

 
3,186

Accrued retirement benefits
 
64,383

 
11,035

 
75,418

 
59,952

 
12,061

 
72,013

Accumulated other non-owner changes to equity, net
 
(83,014
)
 
(16,812
)
 
(99,826
)
 
(86,925
)
 
(20,689
)
 
(107,614
)
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, 2015 and 2014, respectively, consist of:
 
 
2015
 
2014
 
 
U.S.
 
Non-U.S.
 
Total
 
U.S.
 
Non-U.S.
 
Total
Net actuarial loss
 
$
(82,643
)
 
$
(16,999
)
 
$
(99,642
)
 
$
(86,399
)
 
$
(20,406
)
 
$
(106,805
)
Prior service costs
 
(371
)
 
187

 
(184
)
 
(526
)
 
(283
)
 
(809
)
 
 
$
(83,014
)
 
$
(16,812
)
 
$
(99,826
)
 
$
(86,925
)
 
$
(20,689
)
 
$
(107,614
)
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, 2015 and 2014. Reconciliations of the obligations and underfunded status of the plans follow:
 
 
 
2015
 
2014
Benefit obligation, January 1
 
$
46,814

 
$
46,243

Service cost
 
145

 
139

Interest cost
 
1,836

 
2,179

Actuarial (gain) loss
 
(2,521
)
 
3,049

Benefits paid
 
(6,970
)
 
(7,568
)
Curtailment gain
 
—

 
—

Participant contributions
 
2,486

 
2,833

Foreign exchange rate changes
 
(84
)
 
(61
)
Benefit obligation, December 31
 
41,706

 
46,814

Fair value of plan assets, January 1
 
—

 
—

Company contributions
 
4,484

 
4,735

Participant contributions
 
2,486

 
2,833

Benefits paid
 
(6,970
)
 
(7,568
)
Fair value of plan assets, December 31
 
—

 
—

Underfunded status, December 31
 
$
41,706

 
$
46,814
Schedule of Amounts Recognized in Balance Sheet
Amounts related to other postretirement benefits recognized in the accompanying balance sheets consist of:
 
 
 
2015
 
2014
Accrued liabilities
 
$
5,259

 
$
5,047

Accrued retirement benefits
 
36,447

 
41,767

Accumulated other non-owner changes to equity, net
 
(5,877
)
 
(7,675
)
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, 2015 and 2014 consist of:
 
 
 
2015
 
2014
Net actuarial loss
 
$
(6,061
)
 
$
(8,212
)
Prior service credits
 
184

 
537

 
 
$
(5,877
)
 
$
(7,675
)