Revenues and Contract Balances - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Contract with Customer, Asset and Liability [Abstract]
Billed and billable receivables	$ 753,254	$ 800,597
Contract assets – current unbilled receivables	115,375	125,547
Contract assets – current costs to obtain	5,186	5,167
Accounts receivable, long-term	11,843	10,199
Contract assets – noncurrent costs to obtain	9,197	10,703
Contract liabilities – current deferred revenue and other contract liabilities	(110,227)	(84,810)
Contract liabilities – noncurrent deferred revenue and other contract liabilities	$ (6,308)	$ (7,552)