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Pensions and Other Postretirement Benefits (Tables)
 12 Months Ended
Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]  
Retirement Plan amounts recorded on consolidated balance sheets
The following table summarizes amounts recorded on the consolidated balance sheets associated with these various retirement benefit plans:

  
December 31,
 
  
2016
  
2015
 
 
      
Included in "Other assets":
      
U.S. pension plans
 
$
-
  
$
21,202
 
Non-U.S. pension plans
  
248
   
159
 
Total included in other assets
 
$
248
  
$
21,361
 
Included in "Payroll and related expenses":
        
U.S. pension plans
 
$
(35
)
 
$
(51
)
Non-U.S. pension plans
  
(6,405
)
  
(6,089
)
U.S. other postretirement plans
  
(717
)
  
(701
)
Non-U.S. other postretirement plans
  
(322
)
  
(224
)
Total included in payroll and related expenses
 
$
(7,479
)
 
$
(7,065
)
Accrued pension and other postretirement costs:
        
U.S. pension plans
 
$
(38,879
)
 
$
(37,181
)
Non-U.S. pension plans
  
(194,180
)
  
(203,361
)
U.S. other postretirement plans
  
(6,930
)
  
(7,208
)
Non-U.S. other postretirement plans
  
(6,303
)
  
(6,264
)
Other retirement obligations
  
(11,497
)
  
(10,604
)
Total accrued pension and other postretirement costs
 
$
(257,789
)
 
$
(264,618
)
Accumulated other comprehensive loss:
        
U.S. pension plans
 
$
7,313
  
$
76,141
 
Non-U.S. pension plans
  
82,360
   
73,216
 
U.S. other postretirement plans
  
(2,287
)
  
(3,129
)
Non-U.S. other postretirement plans
  
1,474
   
1,446
 
Total accumulated other comprehensive loss*
 
$
88,860
  
$
147,674
 

* - 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, 2016
  
December 31, 2015
 
 
 
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
             
Change in benefit obligation:
            
Benefit obligation at beginning of year
 
$
274,122
  
$
260,554
  
$
301,475
  
$
289,663
 
Service cost
  
-
   
3,291
   
-
   
3,265
 
Interest cost
  
11,788
   
5,475
   
11,657
   
5,636
 
Plan amendments
  
-
   
291
   
-
   
267
 
Transfer from equity affiliate
  
-
   
358
   
-
   
-
 
Actuarial (gains) losses
  
19,916
   
17,202
   
(23,099
)
  
(1,871
)
Benefits paid
  
(15,625
)
  
(12,607
)
  
(15,911
)
  
(12,230
)
Curtailments and settlements
  
(251,287
)
  
-
   
-
   
-
 
Currency translation
  
-
   
(8,137
)
  
-
   
(24,176
)
Benefit obligation at end of year
 
$
38,914
  
$
266,427
  
$
274,122
  
$
260,554
 
                 
Change in plan assets:
                
Fair value of plan assets at beginning of year
 
$
258,092
  
$
51,263
  
$
273,644
   
49,156
 
Actual return on plan assets
  
14,068
   
2,588
   
(5,439
)
  
1,159
 
Transfer from equity affiliate
  
-
   
358
   
-
   
-
 
Company contributions
  
(5,248
)
  
27,311
   
5,798
   
15,621
 
Benefits paid
  
(15,625
)
  
(12,607
)
  
(15,911
)
  
(12,230
)
Curtailments and settlements
  
(251,287
)
  
-
   
-
   
-
 
Currency translation
  
-
   
(2,823
)
  
-
   
(2,443
)
Fair value of plan assets at end of year
 
$
-
  
$
66,090
  
$
258,092
  
$
51,263
 
                 
Funded status at end of year
 
$
(38,914
)
 
$
(200,337
)
 
$
(16,030
)
 
$
(209,291
)
Amounts recognized in consolidated balance sheet
Amounts recognized on the consolidated balance sheet consist of the following:

  
December 31, 2016
  
December 31, 2015
 
  
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
             
Other assets
 
$
-
  
$
248
  
$
21,202
  
$
159
 
Accrued benefit liability - currrent
  
(35
)
  
(6,405
)
  
(51
)
  
(6,089
)
Accrued benefit liability - non-current
  
(38,879
)
  
(194,180
)
  
(37,181
)
  
(203,361
)
Accumulated other comprehensive loss
  
7,313
   
82,360
   
76,141
   
73,216
 
 
 
$
(31,601
)
 
$
(117,977
)
 
$
60,111
  
$
(136,075
)
Components of actuarial items
Note 11 – Pensions and Other Postretirement Benefits (continued)

Actuarial items consist of the following:

 
 
December 31, 2016
  
December 31, 2015
 
  
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
             
Unrecognized net actuarial loss
 
$
6,241
  
$
82,360
  
$
74,926
  
$
73,216
 
Unamortized prior service cost
  
1,072
   
-
   
1,215
   
-
 
 
 
$
7,313
  
$
82,360
  
$
76,141
  
$
73,216
 
Projected and accumulated benefit obligations
The following table sets forth additional information regarding the projected and accumulated benefit obligations:

 
 
December 31, 2016
  
December 31, 2015
 
  
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
             
Accumulated benefit obligation, all plans
 
$
38,914
  
$
247,838
  
$
274,122
  
$
242,054
 
                 
Plans for which the accumulated benefit obligation exceeds plan assets:
                
Projected benefit obligation
 
$
38,914
  
$
253,390
  
$
37,232
  
$
247,960
 
Accumulated benefit obligation
  
38,914
   
240,793
   
37,232
   
234,910
 
Fair value of plan assets
  
-
   
56,649
   
-
   
39,463
 
Components of the net periodic benefit costs
The following table sets forth the components of net periodic pension cost:

 
 
Years ended December 31,
 
 
 
2016
  
2015
  
2014
 
 
 
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
 
$
-
  
$
3,291
  
$
-
  
$
3,265
  
$
-
  
$
3,275
 
Interest cost
  
11,788
   
5,475
   
11,657
   
5,636
   
13,821
   
8,555
 
Expected return on plan assets
  
(11,302
)
  
(2,117
)
  
(13,566
)
  
(1,798
)
  
(14,892
)
  
(2,109
)
Amortization of actuarial losses
  
6,513
   
4,733
   
8,175
   
5,131
   
7,166
   
2,700
 
Amortization of prior service cost (credit)
  
144
   
261
   
64
   
(282
)
  
(56
)
  
(5
)
Curtailment and settlement losses
  
79,321
   
841
   
-
   
452
   
15,588
   
1,137
 
Net periodic pension cost
 
$
86,464
  
$
12,484
  
$
6,330
  
$
12,404
  
$
21,627
  
$
13,553
 
Weighted average assumptions used
The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

 
 
2016
  
2015
 
  
U.S. Plans
  
Non-U.S. Plans
  
U.S. Plans
  
Non-U.S. Plans
 
Discount rate
  
4.25
%
  
1.76
%
  
4.50
%
  
2.30
%
Rate of compensation increase
  
0.00
%
  
2.12
%
  
0.00
%
  
1.99
%

The following weighted average assumptions were used to determine the net periodic pension costs for the years ended December 31, 2016 and 2015:

 
 
Years ended December 31,
 
 
 
2016
  
2015
 
 
 
 
U.S. Plans
  
Non-U.S.
Plans
  
U.S. Plans
  
Non-U.S. Plans
 
Discount rate
  
4.50
%
  
2.30
%
  
4.00
%
  
2.15
%
Rate of compensation increase
  
0.00
%
  
1.99
%
  
0.00
%
  
1.97
%
Expected return on plan assets
  
4.50
%
  
3.38
%
  
5.00
%
  
3.86
%
Estimated future benefit payments
Estimated future benefit payments are as follows:

  
U.S.
Plans
  
Non-U.S.
Plans
 
       
2017
 
$
1,765
  
$
14,754
 
2018
  
1,776
   
13,659
 
2019
  
7,664
   
14,860
 
2020
  
2,929
   
14,373
 
2021
  
2,959
   
14,624
 
2022-2026
  
15,435
   
77,493
 
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, 2016
  
December 31, 2015
 
  
U.S.
Plans
  
Non-U.S. Plans
  
U.S.
Plans
  
Non-U.S. Plans
 
             
Change in benefit obligation:
            
Benefit obligation at beginning of year
 
$
7,909
  
$
6,488
  
$
8,677
  
$
7,283
 
Service cost
  
126
   
268
   
121
   
273
 
Interest cost
  
340
   
143
   
333
   
147
 
Plan curtailments and settlements
  
-
   
-
   
-
   
(25
)
Actuarial (gains) losses
  
(25
)
  
171
   
(550
)
  
(50
)
Benefits paid
  
(703
)
  
(221
)
  
(672
)
  
(389
)
Currency translation
  
-
   
(224
)
  
-
   
(751
)
Benefit obligation at end of year
 
$
7,647
  
$
6,625
  
$
7,909
  
$
6,488
 
                 
Fair value of plan assets at end of year
 
$
-
  
$
-
  
$
-
  
$
-
 
                 
Funded status at end of year
 
$
(7,647
)
 
$
(6,625
)
 
$
(7,909
)
 
$
(6,488
)
Amounts recognized in consolidated balance sheet
Amounts recognized on the consolidated balance sheet consist of the following:

 
 
December 31, 2016
  
December 31, 2015
 
  
U.S.
Plans
  
Non-U.S. Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
             
Accrued benefit liability - current
 
$
(717
)
 
$
(322
)
 
$
(701
)
 
$
(224
)
Accrued benefit liability - non-current
  
(6,930
)
  
(6,303
)
  
(7,208
)
  
(6,264
)
Accumulated other comprehensive income
  
(2,287
)
  
1,474
   
(3,129
)
  
1,446
 
 
 
$
(9,934
)
 
$
(5,151
)
 
$
(11,038
)
 
$
(5,042
)
Components of actuarial items
Note 11 – Pensions and Other Postretirement Benefits (continued)

Actuarial items consist of the following:

 
 
December 31, 2016
  
December 31, 2015
 
  
U.S.
Plans
  
Non-U.S. Plans
  
U.S.
Plans
  
Non-U.S. Plans
 
             
Unrecognized net actuarial loss (gain)
 
$
(1,303
)
 
$
1,474
  
$
(1,308
)
 
$
1,446
 
Unamortized prior service (credit) cost
  
(984
)
  
-
   
(1,821
)
  
-
 
 
 
$
(2,287
)
 
$
1,474
  
$
(3,129
)
 
$
1,446
 
Components of the net periodic benefit costs
The following table sets forth the components of net periodic benefit cost:

 
 
Years ended December 31,
 
 
 
2016
  
2015
  
2014
 
  
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
                   
Service cost
 
$
126
  
$
268
  
$
121
  
$
273
  
$
115
  
$
307
 
Interest cost
  
340
   
143
   
333
   
147
   
351
   
244
 
Amortization of actuarial (gains) losses
  
(30
)
  
68
   
90
   
76
   
(140
)
  
38
 
Amortization of prior service credit
  
(837
)
  
-
   
(837
)
  
-
   
(824
)
  
-
 
Net periodic benefit cost (benefit)
 
$
(401
)
 
$
479
  
$
(293
)
 
$
496
  
$
(498
)
 
$
589
 
Weighted average assumptions used

The following weighted average assumptions were used to determine benefit obligations at December 31 of the respective years:

 
 
2016
  
2015
 
 
 
 
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
             
Discount rate
  
4.25
%
  
1.50
%
  
4.50
%
  
2.31
%
Rate of compensation increase
  
0.00
%
  
2.58
%
  
0.00
%
  
2.69
%

The following weighted average assumptions were used to determine the net periodic benefit costs for the years ended December 31, 2016 and 2015:

 
 
Years ended December 31,
 
 
 
2016
  
2015
 
 
 
 
U.S.
Plans
  
Non-U.S.
Plans
  
U.S.
Plans
  
Non-U.S.
Plans
 
             
Discount rate
  
4.50
%
  
2.31
%
  
4.00
%
  
2.25
%
Rate of compensation increase
  
0.00
%
  
2.69
%
  
0.00
%
  
2.87
%
Estimated future benefit payments
Note 11 – Pensions and Other Postretirement Benefits (continued)

Estimated future benefit payments are as follows:

  
U.S.
Plans
  
Non-U.S.
Plans
 
       
2017
 
$
717
  
$
322
 
2018
  
709
   
275
 
2019
  
699
   
378
 
2020
  
681
   
580
 
2021
  
656
   
414
 
2022-2026
  
2,695
   
2,456