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Fair Value Measurements (Narratives) (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2022
Interest rate swap contracts          
Assets/Liabilities          
Notional principal amount of forward foreign exchange contracts $ 75,000,000.0   $ 75,000,000.0   $ 75,000,000.0
Other Comprehensive Income (Loss) | Interest rate swap contracts          
Assets/Liabilities          
Unrealized gains on interest rate cash flow hedges     800,000   1,300,000
Not Designated as Hedging Instrument | Forward Foreign Currency Contracts          
Assets/Liabilities          
Notional principal amount of forward foreign exchange contracts 11,100,000   $ 11,100,000   $ 9,600,000
Maximum maturities for contracts     60 days   60 days
Gains (losses) on foreign currency derivative instruments 100,000   $ (400,000)    
Not Designated as Hedging Instrument | Forward Foreign Currency Contracts | Maximum          
Assets/Liabilities          
Gains (losses) on foreign currency derivative instruments   $ (100,000)   $ (200,000)  
Not Designated as Hedging Instrument | Forward Foreign Currency Contracts          
Assets/Liabilities          
Notional principal amount of forward foreign exchange contracts 11,100,000 20,400,000 $ 11,100,000 20,400,000  
Maximum maturities for contracts     60 days    
Designated as Hedging Instrument | Forward Foreign Currency Contracts          
Assets/Liabilities          
Maximum maturities for contracts     12 months    
Foreign exchange forward contracts outstanding         $ 0
Unrealized gain (loss) on derivatives     $ 400,000    
Designated as Hedging Instrument | Forward Foreign Currency Contracts          
Assets/Liabilities          
Notional principal amount of forward foreign exchange contracts 5,500,000 5,700,000 $ 5,500,000 5,700,000  
Maximum maturities for contracts     12 months    
Unrealized gains on interest rate cash flow hedges     $ 400,000 (300,000)  
Level 2 Assets and Liabilities          
Assets/Liabilities          
Long-term debt, fair value 262,000,000.0   262,000,000.0   308,600,000
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 asset, 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