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Note 19 - Post-retirement Benefits (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Defined Benefit Plan, Assumptions [Table Text Block]
  

December 31,

 
  

2022

  

2021

  

2020

 

Discount rate

  4.7%  1.8%  1.3%

Expected return on plan assets

  5.6%  3.2%  2.7%

Expected rate of salary increases

  0.1%  0.1%  0.1%
Schedule of Net Benefit Costs [Table Text Block]
  

Year Ended December 31,

  

2022

 

2021

 

2020

Current service cost

 $(357) $(439) $(539)

Interest cost

 (4,307) (3,407) (4,551)

Expected return on plan assets

 6,796 5,499 6,064

Plan curtailment / amendment events recognized in consolidated statements of operations

 - - 2,269

Amortization of prior service credit

 249 249 -

Reclassified net remeasurement (loss) gains

 - 244 (104)

Amounts included in consolidated statements of operations

 $2,381 $2,146 $3,139
             

Actuarial gain (loss) on defined benefit plans

 $7,440 $22,345 $(9,356)

Plan curtailment / amendment credit recognized in consolidated statements of other comprehensive loss

 - - 5,510

Amortization of prior service credit

 (249) (249) -

Reclassified net remeasurement (loss) gains

 - (244) 104

Other comprehensive income (loss)

 7,191 21,852 (3,742)
             

Total comprehensive income (loss)

 $9,572 $23,998 $(603)
Schedule of Actuarial Gain (Loss) [Table Text Block]
  

Year Ended December 31,

  

2022

 

2021

 

2020

Actuarial (loss) gain on assets

 $(74,332) $11,378 $16,678

Actuarial gain (loss) on liabilities

 81,772 10,967 (26,034)

Actuarial gain (loss) on defined benefit plans

 $7,440 $22,345 $(9,356)
Schedule of Expected Benefit Payments [Table Text Block]

Years ending December 31:

    

2023

 $5,481

2024

 $5,691

2025

 $5,886

2026

 $6,135

2027

 $6,416

Thereafter to December 31, 2032

 $22,495
Schedule of Amounts Recognized in Balance Sheet [Table Text Block]
  

December 31,

  

2022

 

2021

Present value of defined benefit obligations

 $(135,182) $(241,808)

Fair value of plan assets

 123,840 212,688

Deficit recognized under non-current liabilities

 $(11,342) $(29,120)
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
  

December 31,

  

2022

 

2021

Opening balance

 $(241,808) $(261,576)

Current service cost

 (357) (439)

Interest cost

 (4,307) (3,407)

Actuarial gain

 81,772 10,967

Exchange differences

 23,823 2,378

Benefits paid

 5,695 10,269

Ending balance

 $(135,182) $(241,808)
Schedule of Changes in Fair Value of Plan Assets [Table Text Block]
  

December 31,

  

2022

 

2021

Opening balance

 $212,688 $203,630

Actual return on plan assets

 (67,536) 16,877

Exchange differences

 (20,776) (2,245)

Contributions from the sponsoring companies

 5,159 4,695

Benefits paid

 (5,695) (10,269)

Ending balance

 $123,840 $212,688
Schedule of Defined Benefit Plan Actual Return on Plan Assets [Table Text Block]
  

December 31,

  

2022

 

2021

 

2020

Expected return on plan assets

 $6,796 $5,499 $6,064

Actuarial (loss) gain on plan assets

 (74,332) 11,378 16,678

Actual return on plan assets

 $(67,536) $16,877 $22,742
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]
  

December 31,

 
  

2022

  

2021

 

Accumulated benefit obligation

 $134,102  $240,644 

Fair value of plan assets

  123,840   212,688 
Defined Benefit Plan, Plan Assets, Category [Table Text Block]
  

December 31, 2022

  

December 31, 2021

 
  

Expected rate

  

Fair value of

  

Expected rate

  

Fair value of

 
  

of return %

  

asset

  

of return %

  

asset

 

Mutual funds

                

DGFs

  7.5  $55,633   4.6  $123,460 

LDI funds

  4.0   45,170   1.1   61,163 

Bond funds

  4.5   21,899   1.8   26,571 

Equities

  1.8   188   1.5   360 

Other assets

  2.2   950   1.5   1,134 

Total

     $123,840      $212,688 
Schedule of Allocation of Plan Assets [Table Text Block]
  

December 31, 2022

  

Level 1

 

Level 2

 

Level 3

 

Total

Mutual funds

                

DGFs

 $55,633 $- $- $55,633

LDI funds

 45,170 - - 45,170

Bond funds

 21,899 - - 21,899

Equities

 188 - - 188

Other assets

 172 395 383 950

Total

 $123,062 $395 $383 $123,840
  

December 31, 2021

  

Level 1

 

Level 2

 

Level 3

 

Total

Mutual funds

                

DGFs

 $123,460 $- $- $123,460

LDI funds

 61,163 - - 61,163

Bond funds

 26,571 - - 26,571

Equities

 360 - - 360

Other assets

 445 329 360 1,134

Total

 $211,999 $329 $360 $212,688
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]
  

December 31,

  

2022

 

2021

Opening balance

 $360 $292

Actual return on plan assets

 6 5

Exchange differences

 (6) 33

Contributions from the sponsoring companies

 23 30

Ending balance

 $383 $360