XML 30 R19.htm IDEA: XBRL DOCUMENT v3.21.1
Note 4 - Financing Arrangements (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Debt [Table Text Block]
  

March 31, 2021

  

December 31, 2020

 

Senior notes

 $1,301.4  $1,305.4