Summary Of Significant Accounting Policies (Summary Of Contract Balances) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019
Contract assets
Accounts receivable, net	$ 554,859	$ 528,484
Contract liabilities
Deferred revenue, current	(97,110)	(88,667)
Deferred revenue, non-current	(84,615)	(81,143)
Accounts Receivable, Net [Member]
Contract assets
Accounts receivable, net	554,859	528,484
Prepaid Expenses And Other Current Assets [Member]
Contract assets
Unbilled revenue, current	8,545	9,834
Prepaid Taxes And Other Non Current Assets [Member]
Contract assets
Unbilled revenue, non-current	5,920	4,592
Deferred Revenue Current Liabilities [Member]
Contract liabilities
Deferred revenue, current	(97,110)	(88,667)
Deferred Revenue Non-Current Liabilities [Member]
Contract liabilities
Deferred revenue, non-current	$ (84,615)	$ (81,143)