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Derivatives and Hedging (Narratives) (Details)
$ in Millions
12 Months Ended
Jun. 30, 2022
USD ($)
Contract
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Contract
Derivative [Line Items]      
Foreign currency transactions realized gain (loss) $ 1.7 $ (2.2) $ 0.6
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 (loss) on interest rate cash flow hedges $ 1.3 $ (1.1)  
Estimated interest income over next twelve months 1.3    
Forward Foreign Currency Contracts | Not Designated as Hedging Instrument      
Derivative [Line Items]      
Notional principal amount of forward foreign exchange contracts $ 9.6 23.0  
Maximum maturities for contracts 40 days    
Net loss gains on forward foreign currency contracts $ (1.4) 0.5 $ 0.1
Forward Foreign Currency Contracts | Designated as Hedging Instrument      
Derivative [Line Items]      
Notional principal amount of forward foreign exchange contracts   $ 21.8  
Number of derivative financial instruments | Contract 0   0
Maximum maturities for contracts   12 months  
Unrealized gain (loss) on derivatives   $ (0.2)