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Note 4 - Financing Arrangements (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Debt [Table Text Block]
   

September 30, 2022

   

December 31, 2021

 

Senior credit facility

  $ 297.0     $ -  

Senior notes

    946.8       1,301.2  

Less current portion of long-term debt

    -       (356.0 )

Total long-term debt

  $ 1,243.8     $ 945.2