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Stockholders' Equity (Tables)
12 Months Ended
Jun. 30, 2019
Stockholders' Equity Note [Abstract]  
Summary of dividends paid per share
  
For the fiscal years ended June 30,
 
  
    2019    
  
    2018    
  
    2017    
 
Cash dividends paid per share
 $0.20  $0.20  $0.20