v3.26.1
Goodwill and Other Intangible Assets - Summary of Goodwill by Reportable Segment (Detail) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 31, 2025
Goodwill [Line Items]    
Beginning Balance $ 1,064.9 $ 2,135.6
Impairment   (1,058.4)
Foreign currency translation and other [1] (17.7) (12.3)
Ending Balance 1,047.2 1,064.9
Food Safety    
Goodwill [Line Items]    
Beginning Balance 996.9 2,054.2
Impairment   (1,045.3)
Foreign currency translation and other [1] 5.2 (12.0)
Ending Balance 1,002.1 996.9
Animal Safety    
Goodwill [Line Items]    
Beginning Balance 68.0 81.4
Impairment   (13.1)
Foreign currency translation and other [1] (22.9) (0.3)
Ending Balance $ 45.1 $ 68.0
[1] Other includes goodwill related to held for sale entities, which was reclassified within Assets held for sale.