Share-Based Compensation (Narrative) (Details) $ in Millions	12 Months Ended
	Jun. 30, 2023 USD ($) plan shares	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share-based compensation plans | plan	2
Options granted during period (in shares) | shares	0		640,782
Total aggregate intrinsic value of options exercised | $	$ 0.2	$ 0.6	$ 0.1
Fair value of options vested during period | $	1.6	$ 1.9	$ 0.3
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (years)			3 years
Contractual life (years)			10 years
Exercise price percentage of fair market value at grant date			100.00%
Unrecognized compensation cost | $	$ 0.6
Weighted-average period of recognition of unrecognized compensation cost (years)	4 months 17 days
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $	$ 18.4
Weighted-average period of recognition of unrecognized compensation cost (years)	1 year 3 months 21 days
Shares granted (in shares) | shares	518,987
Shares withheld for income taxes for share based compensation (in shares) | shares	79,537
2013 Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grant (in shares) | shares	1,270,781