Summary Of Significant Accounting Policies (Summary Of Contract Balances) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Contract assets
Accounts receivable, net	$ 493,836	$ 528,484
Contract liabilities
Deferred revenue, current	(86,954)	(88,667)
Deferred revenue, non-current	(82,668)	(81,143)
Accounts Receivable, Net [Member]
Contract assets
Accounts receivable, net	493,836	528,484
Prepaid Expenses And Other Current Assets [Member]
Contract assets
Unbilled revenue, current	8,572	9,834
Prepaid Taxes And Other Non Current Assets [Member]
Contract assets
Unbilled revenue, non-current	4,709	4,592
Deferred Revenue Current Liabilities [Member]
Contract liabilities
Deferred revenue, current	(86,954)	(88,667)
Deferred Revenue Non-Current Liabilities [Member]
Contract liabilities
Deferred revenue, non-current	$ (82,668)	$ (81,143)