Restructuring (Roll-forward Of Accrued Restructuring Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Accrual, Beginning balance	$ 1,290	$ 1,522
Costs incurred		730
Expenses paid	(1,290)	(962)
Accrual, Ending balance		1,290	$ 1,522
One-Time Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, Beginning balance	1,275	1,502
Costs incurred		(211)	433
Expenses paid	(1,275)	(16)
Accrual, Ending balance		1,275	1,502
Other Associated Costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, Beginning balance	15	20
Costs incurred		941	2,989
Expenses paid	$ (15)	(946)
Accrual, Ending balance		$ 15	$ 20