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Note 3 - Financing Arrangements (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Debt [Table Text Block]
   

December 31,

 
   

2023

   

2022

 

Senior credit facility

  $ 627.9     $ 314.7  

Senior notes

    948.2       947.0  

Less current portion of long-term debt

    (250.0 )     -  

Total long-term debt

  $ 1,326.1     $ 1,261.7