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Note 8 - Accumulated Other Comprehensive Income (Loss) (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
   

Three Months Ended
September 30,

   

Nine Months Ended

September 30,

 
   

2022

   

2021

   

2022

   

2021

 

Pension and other postretirement benefits:

                               

Recognized actuarial loss (a)

  $ 471     $ 568     $ 1,590     $ 1,917  

Settlement loss (a)

    4,759       388       6,355       2,116  

Total before income tax

  $ 5,230     $ 956     $ 7,945     $ 4,033  

Income tax

    (1,249 )     (230

)

    (1,878 )     (944

)

Net of income tax

  $ 3,981     $ 726     $ 6,067     $ 3,089  
Comprehensive Income (Loss) [Table Text Block]
   

Currency
Translation
Adjustments

   

Pension and
Other
Postretirement
Benefits

   

Accumulated
Other
Comprehensive
Income (Loss)

 

Balance at December 31, 2021

  $ (7,851

)

  $ (22,479

)

  $ (30,330

)

Reclassification adjustments

    -       7,945       7,945  

Current period charge

    (5,719 )     -       (5,719 )

Income tax benefit (charge)

    -       (1,878 )     (1,878 )

Balance at September 30, 2022

  $ (13,570 )   $ (16,412 )   $ (29,982 )
   

Currency
Translation
Adjustments

   

Pension and
Other
Postretirement
Benefits

   

Accumulated
Other
Comprehensive
Income (Loss)

 

Balance at December 31, 2020

  $ (5,044

)

  $ (25,333

)

  $ (30,377

)

Reclassification adjustments

    -       4,033       4,033  

Current period charge

    (1,849

)

    -       (1,849

)

Income tax benefit (charge)

    -       (944

)

    (944

)

Balance at September 30, 2021

  $ (6,893

)

  $ (22,244

)

  $ (29,137

)