Stock-Based Compensation (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Stock Settled Stock Appreciation Rights SARS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 400,000	$ 300,000	$ 1,000,000	$ 1,700,000
Unrecognized compensation expense	0		0
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	1,500,000	400,000	4,200,000	3,200,000
Unrecognized compensation expense	6,900,000		$ 6,900,000
Weighted-average period over which remaining compensation expense will be recognized (in years)			2 years
Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	1,600,000	$ 900,000	$ 3,700,000	$ 2,000,000
Unrecognized compensation expense	$ 6,000,000		$ 6,000,000
Weighted-average period over which remaining compensation expense will be recognized (in years)			2 years