Restructuring (Summary Of Restructuring Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Operating Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ (59)		$ 715
One-Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		(211)		(211)
Other Associated Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		152		926
Total Restructuring And Related Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs		$ (59)		$ 715