XML 30 R19.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 7 - Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   
Asset/(Liability)
Balance
   
Input Level
 
Trading investments
  $
15.6
     
1
 
Interest rate swap
  $
3.7
     
2
 
Senior notes
  $
(600.3
)    
2