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Goodwill and Other Intangible Assets - Summary of Goodwill by Business Segment (Detail) $ in Thousands | 6 Months Ended
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Nov. 30, 2022 USD ($)
Goodwill [Line Items] |  |
Beginning Balance | $ 142,704 |
Goodwill acquired | 1,963,925 | [1]
Goodwill and/or currency adjustments | 15,768 |
Ending Balance | 2,122,397 |
Food Safety |  |
Goodwill [Line Items] |  |
Beginning Balance | 67,558 |
Goodwill acquired | 1,957,810 | [1]
Goodwill and/or currency adjustments | 16,058 |
Ending Balance | 2,041,426 |
Animal Safety |  |
Goodwill [Line Items] |  |
Beginning Balance | 75,146 |
Goodwill acquired | 6,115 | [1]
Goodwill and/or currency adjustments | (290) |
Ending Balance | $ 80,971 |
[1] | Animal Safety acquisitions represents portion of 3M Food Safety transaction recorded at Neogen Australasia.

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