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v3.22.2

Segment Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2022 | May 31, 2021 | May 31, 2020
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | $ 527,159 | $ 468,459 | $ 418,170
Operating income (loss) |  | 58,618 | 74,169 | 67,523
Depreciation and amortization |  | 23,694 | 21,041 | 18,396
Total Assets |  | 992,929 | 920,192 | 797,182
Expenditures for long-lived assets |  | 24,781 | 26,712 | 24,052
Operating Segments | Food Safety |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 259,979 | 234,244 | 212,691
Operating income (loss) |  | 38,581 | 33,725 | 33,526
Depreciation and amortization |  | 13,386 | 11,575 | 10,173
Total Assets |  | 304,461 | 295,065 | 222,331
Expenditures for long-lived assets |  | 7,842 | 13,730 | 15,867
Operating Segments | Animal Safety |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 267,180 | 234,215 | 205,479
Operating income (loss) |  | 52,546 | 48,685 | 39,051
Depreciation and amortization |  | 10,308 | 9,466 | 8,223
Total Assets |  | 307,417 | 244,039 | 231,178
Expenditures for long-lived assets |  | 16,939 | 12,982 | 8,185
Product Revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 424,664 | 376,302 | 335,539
Product Revenues | Operating Segments | Food Safety |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 231,626 | 209,104 | 189,893
Product Revenues | Operating Segments | Animal Safety |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 193,038 | 167,198 | 145,646
Service Revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 102,495 | 92,157 | 82,631
Service Revenues | Operating Segments | Food Safety |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 28,353 | 25,140 | 22,798
Service Revenues | Operating Segments | Animal Safety |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Product revenues to external customers |  | 74,142 | 67,017 | 59,833
Corporate and Eliminations | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income (loss) | [1] | (32,509) | (8,241) | (5,054)
Total Assets | [1] | $ 381,051 | $ 381,088 | $ 343,673
[1] | Includes corporate assets, including cash and cash equivalents, marketable securities, current and deferred tax accounts, and overhead expenses not allocated to specific business segments. Also includes the elimination of intersegment transactions and non-controlling interests.

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