Summary Of Significant Accounting Policies (Narrative) (Details)	12 Months Ended	24 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Impairment of intangible assets	$ 0
Impairment of goodwill	0	$ 0.0
Cumulative effect adjustment to retained earnings and reduction prepaid taxes	$ (188,798,000)	$ (188,798,000)
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of property, plant and equipment, years	2 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Contract term under foreign exchange	3 years
Estimated useful life of property, plant and equipment, years	10 years
Buildings [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of property, plant and equipment, years	40 years