Stock-Based Compensation (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2026	Sep. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares reserved for issuance to employees and directors	1,500,000
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term of stock awards granted (in years)	7 years
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 0.9	$ 0.2
Unrecognized compensation expense	$ 10.0
Weighted-average period over which remaining compensation expense will be recognized (in years)	2 years
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 0.8	1.4
Unrecognized compensation expense	$ 1.8
Weighted-average period over which remaining compensation expense will be recognized (in years)	1 year
Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 1.1	$ 1.0
Unrecognized compensation expense	$ 9.1
Weighted-average period over which remaining compensation expense will be recognized (in years)	2 years

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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