Summary Of Significant Accounting Policies (Summary Of Contract Balances) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019
Contract assets
Accounts receivable, net	$ 528,039	$ 528,484
Contract liabilities
Deferred revenue, current	(92,950)	(88,667)
Deferred revenue, non-current	(86,140)	(81,143)
Accounts Receivable, Net [Member]
Contract assets
Accounts receivable, net	528,039	528,484
Prepaid Expenses And Other Current Assets [Member]
Contract assets
Unbilled revenue, current	7,792	9,834
Prepaid Taxes And Other Non Current Assets [Member]
Contract assets
Unbilled revenue, non-current	5,186	4,592
Deferred Revenue Current Liabilities [Member]
Contract liabilities
Deferred revenue, current	(92,950)	(88,667)
Deferred Revenue Non-Current Liabilities [Member]
Contract liabilities
Deferred revenue, non-current	$ (86,140)	$ (81,143)