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Derivatives and Hedging (Narratives) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Derivative [Line Items] |  |
Foreign currency transactions realized gains (losses) | $ 0.9 | $ 0.3
Interest Rate Swap |  |
Derivative [Line Items] |  |
Notional principal amount of forward foreign exchange contracts | $ 75.0 | $ 200.0
Maturity date | Apr. 30, 2023 | Apr. 30, 2023
Unrealized gain on interest rate cash flow hedges | $ 1.3 | $ (0.9)
Estimated interest income over next twelve months | 1.3 |
Notional principal amount of forward foreign exchange contracts | 75.0 | 200.0
Forward Foreign Currency Contracts | Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional principal amount of forward foreign exchange contracts | $ 4.2 | 22.6
Maximum maturities for contracts | 40 days |
Net gains (losses) on forward foreign currency contracts | $ (0.5) | (0.2)
Notional principal amount of forward foreign exchange contracts | $ 4.2 | 22.6
Forward Foreign Currency Contracts | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional principal amount of forward foreign exchange contracts |  | 11.3
Unrealized gain on interest rate cash flow hedges |  | $ 0.4
Maximum maturities for contracts |  | 12 months
Notional principal amount of forward foreign exchange contracts |  | $ 11.3

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