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Pensions and Other Postretirement Benefits (Tables)
 12 Months Ended
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]  
Retirement Plan amounts recorded on consolidated balance sheets The following table summarizes amounts recorded on the accompanying consolidated balance sheets associated with these various retirement benefit plans:


 
December 31,
  
   
2019
    
2018
  
 
            
Included in "Other assets":
            
Non-U.S. pension plans
  
$
303
    
$
356
  
Total included in other assets
  
$
303
    
$
356
  
Included in "Payroll and related expenses":
                
U.S. pension plans
  
$
(35
)
  
$
(35
)
Non-U.S. pension plans
    
(7,362
)
    
(7,228
)
U.S. other postretirement plans
    
(872
)
    
(703
)
Non-U.S. other postretirement plans
    
(616
)
    
(181
)
Total included in payroll and related expenses
  
$
(8,885
)
  
$
(8,147
)
Accrued pension and other postretirement costs:
                
U.S. pension plans
  
$
(42,348
)
  
$
(38,134
)
Non-U.S. pension plans
    
(202,873
)
    
(197,515
)
U.S. other postretirement plans
    
(6,817
)
    
(6,291
)
Non-U.S. other postretirement plans
    
(7,493
)
    
(7,772
)
Other retirement obligations
    
(12,871
)
    
(11,272
)
Total accrued pension and other postretirement costs
  
$
(272,402
)
  
$
(260,984
)
Accumulated other comprehensive loss:
                
U.S. pension plans
  
$
8,839
    
$
5,501
  
Non-U.S. pension plans
    
84,926
      
76,698
  
U.S. other postretirement plans
    
(180
)
    
(1,257
)
Non-U.S. other postretirement plans
    
2,179
      
2,044
  
Total accumulated other comprehensive loss*
  
$
95,764
    
$
82,986
  

* - Amounts included in accumulated other comprehensive loss are presented in this table pre-tax.
Defined Benefit Pension Plans [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Reconciliation of benefit obligation, plan assets, and funded status The following table sets forth a reconciliation of the benefit obligation, plan assets, and funded status related to U.S. and non-U.S. pension plans:

 
  
December 31, 2019
    
December 31, 2018
  
 
  
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Change in benefit obligation:
                        
Benefit obligation at beginning of year
  
$
38,169
    
$
275,207
    
$
39,917
    
$
294,187
  
Service cost
    
-
      
3,382
      
-
      
3,822
  
Interest cost
    
1,696
      
5,116
      
1,484
      
4,793
  
Plan amendments
    
-
      
-
      
-
      
125
  
Actuarial (gains) losses
    
4,309
      
20,115
      
(1,431
)
    
(1,311
)
Benefits paid
    
(1,791
)
    
(18,985
)
    
(1,801
)
    
(14,397
)
Currency translation
    
-
      
(1,274
)
    
-
      
(12,012
)
Benefit obligation at end of year
  
$
42,383
    
$
283,561
    
$
38,169
    
$
275,207
  
                                 
Change in plan assets:
                                
Fair value of plan assets at beginning of year
  
$
-
    
$
70,820
    
$
-
      
70,605
  
Actual return on plan assets
    
-
      
4,614
      
-
      
1,412
  
Company contributions
    
1,791
      
15,443
      
1,801
      
16,105
  
Benefits paid
    
(1,791
)
    
(18,985
)
    
(1,801
)
    
(14,397
)
Currency translation
    
-
      
1,737
      
-
      
(2,905
)
Fair value of plan assets at end of year
  
$
-
    
$
73,629
    
$
-
    
$
70,820
  
                                 
Funded status at end of year
  
$
(42,383
)
  
$
(209,932
)
  
$
(38,169
)
  
$
(204,387
)
Amounts recognized in consolidated balance sheet Amounts recognized in the accompanying consolidated balance sheets consist of the following:


 
December 31, 2019
    
December 31, 2018
  
   
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Other assets
  
$
-
    
$
303
    
$
-
    
$
356
  
Accrued benefit liability - current
    
(35
)
    
(7,362
)
    
(35
)
    
(7,228
)
Accrued benefit liability - non-current
    
(42,348
)
    
(202,873
)
    
(38,134
)
    
(197,515
)
Accumulated other comprehensive loss
    
8,839
      
84,926
      
5,501
      
76,698
  
 
  
$
(33,544
)
  
$
(125,006
)
  
$
(32,668
)
  
$
(127,689
)
Components of actuarial items Actuarial items consist of the following:

 
  
December 31, 2019
    
December 31, 2018
  
   
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Unrecognized net actuarial loss
  
$
8,199
    
$
84,523
    
$
4,717
    
$
76,254
  
Unamortized prior service cost
    
640
      
403
      
784
      
444
  
 
  
$
8,839
    
$
84,926
    
$
5,501
    
$
76,698
  
Projected and accumulated benefit obligations The following table sets forth additional information regarding the projected and accumulated benefit obligations:

 
  
December 31, 2019
    
December 31, 2018
  
   
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Accumulated benefit obligation, all plans
  
$
42,383
    
$
264,723
    
$
38,169
    
$
258,244
  
                                 
Plans for which the accumulated benefit obligation exceeds plan assets:
                                
Projected benefit obligation
  
$
42,383
    
$
252,469
    
$
38,169
    
$
247,066
  
Accumulated benefit obligation
    
42,383
      
239,341
      
38,169
      
235,167
  
Fair value of plan assets
    
-
      
44,670
      
-
      
45,818
  
Components of the net periodic benefit costs The following table sets forth the components of net periodic pension cost:

 
  
Years ended December 31,
  
 
  
2019
    
2018
    
2017
  
 
  
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                                     
Service cost net of employee contributions
  
$
-
    
$
3,382
    
$
-
    
$
3,822
    
$
-
    
$
3,725
  
Interest cost
    
1,696
      
5,116
      
1,484
      
4,793
      
1,643
      
4,866
  
Expected return on plan assets
    
-
      
(1,956
)
    
-
      
(1,889
)
    
-
      
(2,072
)
Amortization of actuarial losses
    
827
      
5,374
      
656
      
6,196
      
587
      
6,179
  
Amortization of prior service cost (credit)
    
144
      
197
      
144
      
318
      
144
      
150
  
Curtailment and settlement losses
    
-
      
2,183
      
-
      
1,111
      
-
      
1,360
  
Net periodic pension cost
  
$
2,667
    
$
14,296
    
$
2,284
    
$
14,351
    
$
2,374
    
$
14,208
  
Weighted average assumptions used The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

 
  
2019
    
2018
  
   
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
Discount rate
    
3.25
%
    
1.40
%
    
4.50
%
    
1.96
%
Rate of compensation increase
    
0.00
%
    
2.24
%
    
0.00
%
    
2.17
%

The following weighted average assumptions were used to determine the net periodic pension costs:

 
  
Years ended December 31,
  
 
  
2019
    
2018
  
 
 
  
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
Discount rate
    
4.50
%
    
1.96
%
    
3.75
%
    
1.80
%
Rate of compensation increase
    
0.00
%
    
2.17
%
    
0.00
%
    
2.10
%
Expected return on plan assets
    
0.00
%
    
2.77
%
    
0.00
%
    
2.95
%
Estimated future benefit payments Estimated future benefit payments are as follows:


 
U.S.
Plans
    
Non-U.S.
Plans
  
             
2020
  
$
1,872
    
$
15,485
  
2021
    
1,870
      
15,064
  
2022
    
8,311
      
18,071
  
2023
    
3,185
      
16,306
  
2024
    
3,183
      
16,154
  
2025-2029
    
17,460
      
81,415
  
Other Postretirement Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Reconciliation of benefit obligation, plan assets, and funded status The following table sets forth a reconciliation of the benefit obligation, plan assets, and accrued benefit cost related to U.S. and non-U.S. non-pension defined benefit postretirement plans:

 
  
December 31, 2019
    
December 31, 2018
  
   
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Change in benefit obligation:
                        
Benefit obligation at beginning of year
  
$
6,994
    
$
7,953
    
$
7,633
    
$
7,898
  
Service cost
    
157
      
284
      
137
      
288
  
Interest cost
    
286
      
123
      
273
      
114
  
Actuarial (gains) losses
    
939
      
311
      
(344
)
    
327
  
Benefits paid
    
(687
)
    
(413
)
    
(705
)
    
(303
)
Currency translation
    
-
      
(149
)
    
-
      
(371
)
Benefit obligation at end of year
  
$
7,689
    
$
8,109
    
$
6,994
    
$
7,953
  
                                 
Fair value of plan assets at end of year
  
$
-
    
$
-
    
$
-
    
$
-
  
                                 
Funded status at end of year
  
$
(7,689
)
  
$
(8,109
)
  
$
(6,994
)
  
$
(7,953
)
Amounts recognized in consolidated balance sheet Amounts recognized in the accompanying consolidated balance sheets consist of the following:

 
  
December 31, 2019
    
December 31, 2018
  
   
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Accrued benefit liability - current
  
$
(872
)
  
$
(616
)
  
$
(703
)
  
$
(181
)
Accrued benefit liability - non-current
    
(6,817
)
    
(7,493
)
    
(6,291
)
    
(7,772
)
Accumulated other comprehensive income
    
(180
)
    
2,179
      
(1,257
)
    
2,044
  
 
  
$
(7,869
)
  
$
(5,930
)
  
$
(8,251
)
  
$
(5,909
)
Components of actuarial items Actuarial items consist of the following:

 
December 31, 2019
  
December 31, 2018
  
 
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
  
                         
Unrecognized net actuarial loss (gain)
  
$
(180
)
  
$
2,179
    
$
(1,257
)
  
$
2,044
  
 
  
$
(180
)
  
$
2,179
    
$
(1,257
)
  
$
2,044
  
Components of the net periodic benefit costs The following table sets forth the components of net periodic benefit cost:

 
  
Years ended December 31,
  
 
  
2019
    
2018
    
2017
  
   
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                                     
Service cost
  
$
157
    
$
284
    
$
137
    
$
288
    
$
131
    
$
273
  
Interest cost
    
286
      
123
      
273
      
114
      
311
      
103
  
Amortization of actuarial (gains) losses
    
(138
)
    
107
      
(39
)
    
105
      
(93
)
    
76
  
Amortization of prior service credit
    
-
      
-
      
(148
)
    
-
      
(837
)
    
-
  
Net periodic benefit cost (benefit)
  
$
305
    
$
514
    
$
223
    
$
507
    
$
(488
)
  
$
452
  
Weighted average assumptions used The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

 
  
2019
    
2018
  
 
 
  
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Discount rate
    
3.25
%
    
0.81
%
    
4.50
%
    
1.60
%
Rate of compensation increase
    
0.00
%
    
2.87
%
    
0.00
%
    
3.18
%

The following weighted average assumptions were used to determine the net periodic benefit costs:

 
  
Years ended December 31,
  
 
  
2019
    
2018
  
 
 
  
U.S.
Plans
    
Non-U.S.
Plans
    
U.S.
Plans
    
Non-U.S.
Plans
  
                         
Discount rate
    
4.50
%
    
1.60
%
    
3.75
%
    
1.50
%
Rate of compensation increase
    
0.00
%
    
3.18
%
    
0.00
%
    
2.88
%
Estimated future benefit payments Estimated future benefit payments are as follows:


 
U.S.
Plans
    
Non-U.S.
Plans
  
             
2020
  
$
872
    
$
616
  
2021
    
839
      
251
  
2022
    
798
      
574
  
2023
    
721
      
266
  
2024
    
670
      
490
  
2025-2029
    
2,440
      
2,794