Supplemental Financial Information - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss)
Balance	$ 53,659	$ 53,189
Balance	45,084	53,659
Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss)
Balance	(2,332)	(1,541)
Other comprehensive loss	(2,445)	(791)
Balance	(4,777)	(2,332)
Defined Pension Benefit Obligation
Accumulated Other Comprehensive Income (Loss)
Balance	2,754	3,947
Other comprehensive loss	(2,199)	(1,193)
Balance	555	2,754
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Balance	422	2,406
Other comprehensive loss	(4,644)	(1,984)
Balance	$ (4,222)	$ 422