Segment Information and Geographic Data - Schedule of Long-Lived Assets, Excluding Investment in Affiliate and Deferred Tax Assets, by Geographic Region (Detail) - USD ($) $ in Millions |
May 31, 2026 |
May 31, 2025 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total property, plant and equipment, net | $ 649.3 | $ 548.2 |
| Total long-lived assets | 734.6 | 620.8 |
| United States | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | 394.0 | 403.5 |
| Canada | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | 108.0 | 80.1 |
| Mexico | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | 99.6 | 84.2 |
| Rest of World | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | $ 133.0 | $ 53.0 |