Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Deferred tax assets:
Operating lease liabilities	$ 110,068	$ 97,911
Reserves and accruals	18,782	22,172
Capitalized research and development	211,035	170,086
Credits and net operating loss carryovers	11,191	9,407
Deferred compensation and post-retirement obligations	34,650	34,315
Stock-based compensation	13,076	12,362
Valuation allowance	(4,781)	(2,887)
Total deferred tax assets	394,021	343,366
Deferred tax liabilities:
Goodwill and other intangible assets	(384,600)	(357,150)
Property, plant, and equipment	(26,091)	(27,578)
Operating lease right-of-use assets	(82,747)	(74,769)
Deferred revenue	(21,967)	(23,591)
Prepaid expenses	(11,209)	(12,084)
Interest rate swaps	(2,063)	(8,322)
Other	(7,062)	(9,680)
Total deferred tax liabilities	(535,739)	(513,174)
Net deferred tax liability	$ (141,718)	$ (169,808)