v3.26.1
Restructuring - Summary of Restructuring Charges by Segment (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Income (Loss) Operating Income (Loss)
Restructuring charges $ 7.0 $ 11.1
Corporate    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges 3.0 1.5
Operating Segments | Food Safety    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges 3.4 2.2
Operating Segments | Animal Safety    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges $ 0.6 $ 7.4