Goodwill and Other Intangible Assets - Summary of Goodwill by Business Segment (Detail) $ in Thousands	9 Months Ended
	Feb. 29, 2024 USD ($)
Goodwill [Line Items]
Beginning Balance	$ 2,137,496
Acquisitions	250	[1]
Foreign currency translation and other	(1,408)
Ending Balance	2,136,338
Food Safety
Goodwill [Line Items]
Beginning Balance	2,056,161
Acquisitions	250	[1]
Foreign currency translation and other	(1,309)
Ending Balance	2,055,102
Animal Safety
Goodwill [Line Items]
Beginning Balance	81,335
Foreign currency translation and other	(99)
Ending Balance	$ 81,236

[1] Represents measurement period adjustments relating to our 3M FSD and Corvium acquisitions.