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Income Taxes (Details) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018
Income Taxes - Additional Information [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent				28.10%
Provisional tax expense for the deemed repatriation of undistributed foreign earnings, Increase (decrease)	$ 1.0
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	81.9
Estimated cash payment related to provisional tax expense for the deemed repatriation of undistributed foreign earnings	$ 4.5
Estimated cash payment related to provisional tax expense for the deemed repatriation of undistributed foreign earnings, payment term, years	8
Income Tax (Textual) [Abstract]
Effective tax rate	24.90%	19.50%
Scenario, Forecast [Member]
Income Taxes - Additional Information [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%

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- Definition

Cash payment related to provisional tax expense for the deemed repatriation of undistributed foreign earnings

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Estimated cash payment related to provisional tax expense for the deemed repatriation of undistributed foreign earnings, payment term, years

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Income tax.

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[Line Items] for Income Taxes - Additional Information [Table]

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Provisional tax expense for the deemed repatriation of undistributed foreign earnings, Increase (decrease)

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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