Summary Of Significant Accounting Policies (Summary Of Contract Balances) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Contract assets
Accounts receivable, net	$ 575,554	$ 614,292
Contract liabilities
Deferred revenue, current	(112,528)	(109,611)
Deferred revenue, non-current	(93,255)	(91,496)
Accounts Receivable, Net [Member]
Contract assets
Accounts receivable, net	575,554	614,292
Prepaid Expenses And Other Current Assets [Member]
Contract assets
Unbilled revenue, current	25,799	10,893
Prepaid Taxes And Other Non Current Assets [Member]
Contract assets
Unbilled revenue, non-current	7,267	6,214
Deferred Revenue Current Liabilities [Member]
Contract liabilities
Deferred revenue, current	(112,528)	(109,611)
Deferred Revenue Non-Current Liabilities [Member]
Contract liabilities
Deferred revenue, non-current	$ (93,255)	$ (91,496)