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Note 16 - Income Taxes (Tables)
9 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

March 31

  

March 31

 
  

2021

  

2020

  

2021

  

2020

 

Reconciliation of effective tax rate:

                
                 

Provision for income taxes at the anticipated annual tax rate

  23.8

%

  10.8

%

  24.3

%

  16.7

%

Uncertain tax positions

  0.8   1.5   (1.3)  (0.3)

Tax rate changes

  -   (16.7)  (5.0)  (2.5)

Shared-based compensation

  1.8   4.4   1.1   3.7 

Effective tax rate

  26.4

%

  -

%

  19.1

%

  17.6

%