Summary Of Significant Accounting Policies (Summary Of Contract Balances) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Contract assets
Accounts receivable, net	$ 477,191	$ 483,681
Contract liabilities
Deferred revenue, current	(72,685)	(60,828)
Deferred revenue, non-current	(76,773)	(71,596)
Accounts Receivable, Net [Member]
Contract assets
Accounts receivable, net	477,191	483,681
Prepaid Expenses And Other Current Assets [Member]
Contract assets
Unbilled revenue, current	13,624	13,342
Prepaid Taxes And Other Non Current Assets [Member]
Contract assets
Unbilled revenue, non-current	3,715	2,973
Deferred Revenue Current Liabilities [Member]
Contract liabilities
Deferred revenue, current	(72,685)	(60,828)
Deferred Revenue Non-Current Liabilities [Member]
Contract liabilities
Deferred revenue, non-current	$ (76,773)	$ (71,596)