Revenues and Contract Balances - Schedule of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Contract with Customer, Asset and Liability [Abstract]
Billed and billable receivables	$ 979,486	$ 885,552
Contract assets – current unbilled receivables	252,805	145,759
Contract assets – current costs to obtain	6,885	6,142
Contract assets – noncurrent unbilled receivables	14,722	13,311
Contract assets – noncurrent costs to obtain	13,895	12,310
Contract liabilities – current deferred revenue and other contract liabilities	(144,832)	(139,745)
Contract liabilities – noncurrent deferred revenue and other contract liabilities	$ (4,009)	$ (4,607)