Goodwill and Other Intangible Assets - Summary of Goodwill by Business Segment (Detail) $ in Thousands	6 Months Ended
	Nov. 30, 2023 USD ($)
Goodwill [Line Items]
Beginning Balance	$ 2,137,496
Acquisitions	250	[1]
Foreign currency translation and other	237
Ending Balance	2,137,983
Food Safety
Goodwill [Line Items]
Beginning Balance	2,056,161
Acquisitions	250	[1]
Foreign currency translation and other	181
Ending Balance	2,056,592
Animal Safety
Goodwill [Line Items]
Beginning Balance	81,335
Foreign currency translation and other	56
Ending Balance	$ 81,391

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