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Share-Based Compensation (Narrative) (Details)
$ in Millions
12 Months Ended
Jun. 30, 2024
USD ($)
plan
shares
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of share-based compensation plans | plan 2      
Vesting period (years)       3 years
Contractual life (years)       10 years
Total aggregate intrinsic value of options exercised | $ $ 2.1 $ 0.2 $ 0.6  
Fair value of options vested during period | $ $ 1.5 $ 1.6 $ 1.9  
Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price percentage of fair market value at grant date       100.00%
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (in shares) | shares 488,208      
Unrecognized compensation cost | $ $ 15.6      
Unrecognized compensation cost, weighted average recognition period 1 year 2 months 19 days      
Shares withheld for income taxes for share based compensation (in shares) | shares 88,023      
2013 Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for grant | shares 1,037,261