v3.26.1
Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 01, 2025
Sep. 01, 2024
May 31, 2026
May 31, 2025
May 31, 2024
Goodwill [Line Items]          
Goodwill impairment charge     $ 0 $ 1,059,300,000 $ 0
Amortization expense for intangible assets     91,800,000 $ 93,900,000 94,900,000
Estimated amortization expense for period, 2027     93,900,000    
Estimated amortization expense for period, 2028     93,000,000    
Estimated amortization expense for period, 2029     89,400,000    
Estimated amortization expense for period, 2030     88,400,000    
Estimated amortization expense for period, 2031     87,800,000    
Estimated amortization expense for period, 2032 and thereafter     865,500,000    
Food Safety          
Goodwill [Line Items]          
Goodwill impairment charge $ 584,800,000 $ 461,400,000      
Food Safety and Animal Safety          
Goodwill [Line Items]          
Goodwill impairment charge     $ 0    
Animal Safety          
Goodwill [Line Items]          
Goodwill impairment charge $ 13,100,000        
Licenses          
Goodwill [Line Items]          
Impairment of discontinued product lines         $ 600,000