v3.26.1
Income Taxes - Schedule of Effective Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Amount      
U.S. Federal statutory tax rate $ 147,916 $ 127,122 $ 114,376
Tax Jurisdiction of Domicile [Extensible Enumeration] UNITED STATES    
State and local taxes, net of federal benefit $ 28,669 20,362 16,508
Foreign tax effects 2,121    
Effect of cross-border tax laws (1,449)    
Research and development (R&D) credits (10,744) (14,073) (12,604)
Other tax credits (1,302)    
Changes in valuation allowances 3,157    
Nontaxable or nondeductible items 5,341 3,426 4,368
Changes in unrecognized tax benefits (5,156)    
Total income tax expense $ 168,553 $ 105,511 $ 124,725
Percent      
U.S. Federal statutory tax rate 21.00%    
State and local taxes, net of federal benefit 4.10%    
Foreign tax effects 0.30%    
Effect of cross-border tax laws (0.20%)    
Research and development (R&D) credits (1.60%)    
Other tax credits (0.20%)    
Changes in valuation allowances 0.40%    
Nontaxable or nondeductible items 0.80%    
Changes in unrecognized tax benefits (0.70%)    
Effective income tax rate 23.90% 17.40% 22.90%