Revenues and Contract Balances - Schedule of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Contract with Customer, Asset and Liability [Abstract]
Billed and billable receivables	$ 865,828	$ 800,597
Contract assets – current unbilled receivables	138,905	125,547
Contract assets – current costs to obtain	5,174	5,167
Contract assets – noncurrent unbilled receivables	12,653	10,199
Contract assets – noncurrent costs to obtain	8,853	10,703
Contract liabilities – current deferred revenue and other contract liabilities	(108,325)	(84,810)
Contract liabilities – noncurrent deferred revenue and other contract liabilities	$ (5,814)	$ (7,552)