XML 30 R20.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 6 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   

Asset/(Liability)

Balance

         
   

September 30, 2022

   

December 31, 2021

   

Input Level

 

Trading investments

  $ 23.5     $ 26.0       1  

Interest rate swap

  $ -     $ 6.3       2  

Senior notes, net of unamortized discount and debt issuance costs

  $ -     $ (356.0 )     2