Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Deferred tax assets:
Accruals and other	$ 23,498	$ 17,299
Lease liability	7,994	8,543
Interest expense limitation	56,309	43,479
Net operating losses	149,780	153,930
Credit carryforward	4,393	4,733
Basis difference in fixed and amortizable assets	11,310	8,183
Total deferred tax assets	253,284	236,167
Less: Valuation allowance	(14,476)	(3,716)
Deferred tax assets, net of valuation allowance	238,808	232,451
Deferred tax liabilities:
Commissions receivable	(268,656)	(261,207)
Lease right-of-use asset	(6,175)	(6,103)
Interest rate swap	(1,455)	(4,722)
Total deferred tax liabilities	(276,286)	(272,032)
Net long-term deferred tax liabilities	$ (37,478)	$ (39,581)