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Derivative Instruments and Hedging Activities - Narrative 1 (Details) $ in Thousands, € in Millions	12 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2020 EUR (€)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 EUR (€)	Jun. 30, 2019 USD ($)
Derivative Instruments and Hedging Activities (Textual) [Abstract]
Gains or losses recognized in earnings due to ineffectiveness and excluded from effectiveness testing	$ 0
Contracts Translated to U S Dollars [Member]
Additional Derivative Instruments and Hedging Activities (Textual) [Abstract]
Notional amount of the contracts translated into U.S. dollars					$ 2,200		$ 61,500
Estimated Amount Of Receivable On Settlement Of Interest Rate Swap Contracts							$ 200
Forward Starting Interest Rate Swap Contracts [Member]
Additional Derivative Instruments and Hedging Activities (Textual) [Abstract]
Derivative, Notional Amount					200,000
Net Investment Hedging [Member]
Derivative Instruments and Hedging Activities (Textual) [Abstract]
Derivative, Amount of Hedged Item | €				€ 15.9		€ 22.5
Net Investment Hedging [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax	$ 600	$ 2,400	$ (700)
Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Forward Starting Interest Rate Swap Contracts [Member]
Additional Derivative Instruments and Hedging Activities (Textual) [Abstract]
Derivative Asset, Fair Value, Gross Asset					$ (2,094)

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Additional derivative instruments and hedging activities.

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Derivative instruments and hedging activities.

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Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

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Nominal or face amount used to calculate payments on the derivative asset.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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Nominal or face amount used to calculate payment on derivative.

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Amount, after tax, of reclassification from accumulated other comprehensive income (AOCI) of gain (loss) from increase (decrease) in fair value of net investment hedge.

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