v3.25.2
Income Taxes - Reconciliation of Federal Statutory Corporate Income Tax Rate to Total Tax Provision (Detail)
12 Months Ended
May 31, 2025
May 31, 2024
May 31, 2023
Income Tax Disclosure [Abstract]      
Federal statutory corporate income tax rate 21.00% 21.00% 21.00%
State and local income taxes, net of federal tax benefit 1.80% 3.50% 0.60%
Non-U.S. income taxes at other than federal statutory rate 0.80% 0.50% 0.70%
Excess benefit related to share-based payment awards (0.70%) (2.70%) (0.10%)
Non-deductible executive compensation 1.60% 4.90% 2.10%
Research and development tax credit   (0.20%) (0.80%)
Non-deductible spin-off transaction costs   7.50%  
Non-deductible note receivable impairment 0.80% 3.20%  
Federal NOL deferred tax asset valuation allowance 1.30%    
FIN 48 (1.20%) 0.30% 0.10%
Tax impact of SES impairment and deconsolidation   11.10%  
Deferred state tax adjustment due to the Separation   4.20%  
Other 0.70% (0.70%) (2.00%)
Effective tax rate attributable to controlling interest 26.10% 52.60% 21.50%