Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Earnings Per Share (Details Textual)

v3.20.1
Note 12 - Earnings Per Share (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Jan. 13, 2020
Treasury Stock, Value, Acquired, Cost Method $ 14,290 $ 10,029        
Share Repurchase Program [Member]            
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)           3,000,000
Treasury Stock, Shares, Acquired (in shares) 992,636   0      
Treasury Stock, Value, Acquired, Cost Method $ 14,300          
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in shares) 2,007,364     2,007,364    
Share-based Payment Arrangement, Option [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)       467,104 260,571  
Performance Shares [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)       287,287 269,138