Summary Of Significant Accounting Policies (Summary Of Contract Balances) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Contract assets
Accounts receivable, net	$ 525,014	$ 474,643
Contract liabilities
Deferred revenue, current	(105,342)	(98,617)
Deferred revenue, non-current	(86,898)	(87,307)
Accounts Receivable, Net [Member]
Contract assets
Accounts receivable, net	525,014	474,643
Prepaid Expenses And Other Current Assets [Member]
Contract assets
Unbilled revenue, current	12,540	9,452
Prepaid Taxes And Other Non Current Assets [Member]
Contract assets
Unbilled revenue, non-current	5,404	6,957
Deferred Revenue Current Liabilities [Member]
Contract liabilities
Deferred revenue, current	(105,342)	(98,617)
Deferred Revenue Non-Current Liabilities [Member]
Contract liabilities
Deferred revenue, non-current	$ (86,898)	$ (87,307)