Fair Value Measurements (Narratives) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2023
Not Designated as Hedging Instrument | Forward Foreign Currency Contracts
Assets/Liabilities
Notional principal amount of forward foreign exchange contracts	$ 15,500,000		$ 15,500,000		$ 3,400,000
Maximum maturities for contracts			40 days		40 days
Gains (losses) on foreign currency derivative instruments	(300,000)	$ 100,000		$ (300,000)
Not Designated as Hedging Instrument | Forward Foreign Currency Contracts | Maximum
Assets/Liabilities
Gains (losses) on foreign currency derivative instruments			$ (100,000)
Designated as Hedging Instrument | Forward Foreign Currency Contracts
Assets/Liabilities
Unrealized gain (loss) on derivatives			0		$ 0
Level 2 Assets and Liabilities
Assets/Liabilities
Long-term debt, fair value	192,500,000		192,500,000		225,000,000
Transfers of assets between Level 1 and Level 2	0	0	0	0
Transfers of liabilities between Level 1 and Level 2	0	0	0	0
Level 3 Assets and Liabilities
Assets/Liabilities
Fair value, measurement level 3 assets, transfers			0		0
Fair value, measurement level 3 liabilities transfers			0		0
Transfers of assets between Level 2 and Level 3	0	0	0	0
Transfers of liabilities between Level 2 and Level 3	0	0	0	0
Fair value assets impairment	0	$ 0	0	$ 0
Recurring
Assets/Liabilities
Certificate of deposits	7,586,000		7,586,000		7,151,000
Recurring | Level 2 Assets and Liabilities
Assets/Liabilities
Certificate of deposits	$ 7,586,000		$ 7,586,000		$ 7,151,000