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Summary Of Significant Accounting Policies (Narrative) (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2023
USD ($)
segment
item
shares
Jun. 30, 2022
USD ($)
shares
Jun. 30, 2021
USD ($)
Jan. 20, 2022
USD ($)
Oct. 22, 2020
USD ($)
Oct. 20, 2020
USD ($)
Aug. 20, 2020
USD ($)
Jun. 01, 2020
USD ($)
Finite-Lived Intangible Assets [Line Items]                
Remaining operating lease terms 9 years 1 month 6 days 5 years 2 months 12 days            
Customer deposits $ 70 $ 90            
Advertising expenditures 5,100 5,800 $ 3,900          
Design, research and development costs 2,100 2,900 1,900          
Health care claims threshold for third party insurance 175              
Workers' compensation threshold for third party insurance $ 250              
Number of customer with more than 10% net sales | item 0              
Number of reportable segment | segment 1              
Share repurchase $ 30,000              
Stock Repurchase Program, Remaining Authorized Repurchase Amount 3,800              
Treasury Stock, Value, Acquired, Cost Method 3,700 35,052 $ 29,757          
Treasury Stock, Value $ 70,072 $ 66,372            
Treasury Stock, Shares | shares 3,117,930 2,890,000            
Share repurchase program through January 19, 2025 [Member]                
Finite-Lived Intangible Assets [Line Items]                
Share repurchase       $ 30,000        
Share repurchase program through June 9, 2021 [Member]                
Finite-Lived Intangible Assets [Line Items]                
Share repurchase               $ 6,000
Treasury Stock, Value           $ 6,000    
Share repurchase program September 4, 2020, through September 3, 2021 [Member]                
Finite-Lived Intangible Assets [Line Items]                
Share repurchase             $ 8,000  
Treasury Stock, Value           $ 8,000    
Share repurchase program through October 29, 2023 [Member]                
Finite-Lived Intangible Assets [Line Items]                
Share repurchase         $ 30,000