Income Taxes - Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Income Taxes
Domestic	$ 262,802	$ 161,270	$ 131,967
Foreign	5,863	10,943	15,251
Total income before income taxes	268,665	172,213	147,218
Current:
Federal	52,678	41,360	27,969
State	7,660	12,032	7,550
Foreign	1,254	2,327	3,379
Total current	61,592	55,719	38,898
Deferred:
Federal	(667)	(9,033)	1,743
State	3,557	(1,340)	(553)
Total deferred	2,890	(10,373)	1,190
Total income tax expense	$ 64,482	$ 45,346	$ 40,088
Reconciliation to income tax at the statutory rate:
U.S. Federal tax at statutory rates (as a percent)	21.00%	21.00%	21.00%
Permanent items (as a percent)			0.40%
Lobbying (as a percent)	0.10%	0.10%	0.10%
Non-deductible compensation	0.80%	1.60%	9.30%
State taxes, net of federal benefit (as a percent)	3.20%	4.40%	3.50%
Research and development tax credits (as a percent)	(1.50%)	(1.40%)	(0.80%)
Change in valuation allowance (as a percent)		(0.40%)	0.80%
Effects of foreign operations (as a percent)	0.10%	0.90%	0.30%
Reserve for unrecognized tax benefits (as a percent)	0.50%	0.90%	0.50%
Other (as a percent)	0.10%	(0.50%)	(1.20%)
Stock-based compensation (as a percent)	(0.30%)	(0.30%)	(6.70%)
Provision for income taxes (as a percent)	24.00%	26.30%	27.20%