v3.26.1
Segment Information and Geographic Data - Schedule of Net Sales by Geographic Region (Detail) - USD ($)
$ in Millions
 12 Months Ended
May 31, 2026
May 31, 2025
May 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales $ 3,443.8 $ 3,093.3 $ 3,430.6
United States      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales 2,560.8 2,436.3 2,752.0
Canada      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales 392.1 330.8 392.6
Mexico      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales 208.0 207.7 181.3
Rest of World      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales $ 282.9 $ 118.5 $ 104.7