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Revenue Recognition | 12 Months Ended
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May 31, 2026
Revenue from Contract with Customer [Abstract] |
Revenue Recognition | 2. Revenue Recognition The Company derives revenue from two primary sources — product revenue and service revenue. Product revenue consists primarily of shipments of: • Diagnostic test kits, culture media and related products used by food producers and processors to detect harmful natural toxins, foodborne bacteria, allergens and levels of general sanitation; • Consumable products marketed to veterinarians, retailers, livestock producers and animal health product distributors; and • Rodent control products and insect control products to assist in the control of rodents, insects and disease in and around agricultural, food production and other facilities. Service revenue consists primarily of: • Genomic identification and related interpretive bioinformatic services; and • Other commercial laboratory services. Payment terms for products and services are generally 30 to 90 days. The following table summarizes contract liabilities by period:
|  | Year Ended May 31 , |  |
|  | 2026 |  |  | 2025 |  |
Beginning balance |  | $ | 5.6 |  |  | $ | 4.6 |  |
Additions |  |  | 10.2 |  |  |  | 12.7 |  |
Recognized into revenue |  |  | (11.2 | ) |  |  | (11.7 | ) |
Reclassified to held for sale (1) |  |  | (1.0 | ) |  |  | — |  |
Ending balance |  | $ | 3.6 |  |  | $ | 5.6 |  |
(1) Represents deferred revenue reclassified to the Company's held for sale entities. See Note 4 "Assets Held for Sale and Divestiture" for further detail. The following table presents disaggregated revenue by major product and service categories for the years ended May 31, 2026, 2025 and 2024:
| Year Ended May 31, |
| 2026 |  | 2025 |  | 2024 |
Food Safety: |  |  |  |  |  |
Natural Toxins & Allergens | $ | 77.5 |  | $ | 77.0 |  | $ | 82.2 |
Bacterial & General Sanitation |  | 175.4 |  |  | 164.8 |  |  | 171.2 |
Indicator Testing & Culture Media |  | 332.7 |  |  | 312.2 |  |  | 322.0 |
Rodent Control, Insect Control & Disinfectants |  | 18.2 |  |  | 47.0 |  |  | 43.0 |
Genomics Services |  | 24.6 |  |  | 23.4 |  |  | 24.3 |
Other |  | 12.7 |  |  | 13.7 |  |  | 12.6 |
| $ | 641.1 |  | $ | 638.1 |  | $ | 655.3 |
Animal Safety: |  |  |  |  |  |
Life Sciences | $ | 6.6 |  | $ | 6.5 |  | $ | 6.5 |
Veterinary Instruments & Disposables |  | 56.9 |  |  | 61.5 |  |  | 65.8 |
Animal Care & Other |  | 29.3 |  |  | 34.7 |  |  | 37.0 |
Rodent Control, Insect Control & Disinfectants |  | 68.9 |  |  | 88.1 |  |  | 88.7 |
Genomics Services |  | 67.6 |  |  | 65.8 |  |  | 70.8 |
| $ | 229.3 |  | $ | 256.6 |  | $ | 268.9 |
Total Revenue | $ | 870.4 |  | $ | 894.7 |  | $ | 924.2 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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