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Note 4 - Fair Value (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
  

Fair Value at

  

Fair Value at

 
  

September 30,

  

December 31,

 
  

2025

  

2024

 

Assets:

        

Non-qualified benefit plan assets (a)

 $11,884  $10,482 

Interest rate swaps (b)

  875   2,340 

Steel hedging instrument (d)

  11   - 

Total Assets

 $12,770  $12,822 
         

Liabilities:

        

Long-term debt (c)

 $145,872  $147,526 

Steel hedging instrument (d)

  -   54 

Total Liabilities

 $145,872  $147,580