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Stockholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Mar. 19, 2020
Feb. 22, 2020
Feb. 22, 2020
Feb. 23, 2019
Jan. 23, 2020
Jul. 31, 2015
Stockholders' Equity Disclosure [Line Items]            
Purchase of common stock (in shares)   318,430        
Purchase of common stock     $ 5,000 $ 22,251    
Dividends payable (per share)         $ 0.14  
Cash dividends paid     13,080 $ 12,011    
Subsequent Event [Member]            
Stockholders' Equity Disclosure [Line Items]            
Cash dividends paid $ 4,500          
July 2015 Program [Member]            
Stockholders' Equity Disclosure [Line Items]            
Amount authorized under a stock repurchase program           $ 150,000
Common stock shares repurchased, price per share   $ 15.70        
Purchase of common stock   $ 5,000        
Stock repurchase plan, remaining amount   $ 85,100 $ 85,100