Fair Value Measurements (Narratives) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Not Designated as Hedging Instrument | Forward Foreign Currency Contracts
Assets/Liabilities
Notional principal amount of forward foreign exchange contracts	$ 31,300,000	$ 3,400,000
Maximum maturities for contracts	40 days
Gain (loss) on foreign currency derivative instruments	$ 300,000	400,000	$ 1,400,000
Designated as Hedging Instrument | Forward Foreign Currency Contracts
Assets/Liabilities
Unrealized gain (loss) on derivatives	0	0
Recurring
Assets/Liabilities
Certificate of deposits	3,216,000	7,151,000
Level 2 Assets and Liabilities
Assets/Liabilities
Long-term debt, fair value	190,000,000.0	225,000,000.0
Transfers of assets between Level 1 and Level 2	0	0
Transfers of liabilities between Level 1 and Level 2	0	0
Level 2 Assets and Liabilities | Recurring
Assets/Liabilities
Certificate of deposits	3,216,000	7,151,000
Level 3 Assets and Liabilities
Assets/Liabilities
Fair value, measurement level 3 liabilities transfers	0	0
Fair value, measurement level 3 assets, transfers	0	0
Transfers of assets between Level 2 and Level 3	0	0
Transfers of liabilities between Level 2 and Level 3	0	0
Fair value assets impairment	$ 0	$ 0	$ 0