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Note 4 - Fair Value (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
  

Fair Value at

  

Fair Value at

 
  

June 30,

  

December 31,

 
  

2026

  

2025

 

Assets:

        

Non-qualified benefit plan assets (a)

 $12,952  $12,038 

Interest rate swaps (b)

  1,638   698 

Steel hedging instrument (c)

  -   50 

Total Assets

 $14,590  $12,786 
         

Liabilities:

        

Long-term debt (d)

 $140,310  $144,018 

Total Liabilities

 $140,310  $144,018