v3.26.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Income Taxes [Line Items]      
Foreign tax credits $ 15.1 $ 9.4 $ 7.1
Research and development credit 0.7 2.1 0.6
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0.8 0.4 $ 0.2
Unrecognized tax benefits that would impact the tax effective rate $ 5.0 $ 3.8  
Minimum effective tax rate 15.00%    
Ireland      
Income Taxes [Line Items]      
Total top-up tax under Pillar Two $ 1.0