v3.26.1
Goodwill, Long-Lived Assets, and Other Assets - Summary of Other Intangible Assets by Class (Detail) - USD ($)
$ in Millions
May 31, 2026
May 31, 2025
Other Intangible Assets [Line Items]    
Indefinite-lived intangibles assets, Cost $ 5.2 $ 5.2
Definite-lived intangibles assets, Cost 138.0 113.0
Total intangible assets, Cost 143.2 118.2
Total intangible assets, Accumulated Amortization 65.9 50.3
Definite-lived intangible assets, Accumulated Amortization 65.9 50.3
Trademarks    
Other Intangible Assets [Line Items]    
Indefinite-lived intangibles assets, Cost 5.2 5.2
Customer relationships    
Other Intangible Assets [Line Items]    
Definite-lived intangibles assets, Cost 112.8 100.0
Definite-lived intangible assets, Accumulated Amortization 52.8 43.5
Non-compete agreements    
Other Intangible Assets [Line Items]    
Definite-lived intangibles assets, Cost 2.0 2.0
Definite-lived intangible assets, Accumulated Amortization 2.0 2.0
Technology / know-how    
Other Intangible Assets [Line Items]    
Definite-lived intangibles assets, Cost 19.0 11.0
Definite-lived intangible assets, Accumulated Amortization 8.1 4.8
In-process research & development    
Other Intangible Assets [Line Items]    
Indefinite-lived intangibles assets, Cost 0.0 0.0
Other    
Other Intangible Assets [Line Items]    
Definite-lived intangibles assets, Cost [1] 4.2 0.0
Definite-lived intangible assets, Accumulated Amortization [1] $ 3.0 $ 0.0
[1] Other amortizable intangible assets primarily include favorable lease-related intangible assets and acquired software.