XML 57 R38.htm IDEA: XBRL DOCUMENT
v3.26.1

Fair Value and Derivatives (Tables) | 12 Months Ended
--- | ---
May 31, 2026
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Other Derivatives Not Designated As Hedging Instruments Statements of Financial Performance And Financial Position Location | Fair Value of Derivatives Not Designated as Hedging Instruments Balance Sheet Location May 31, 2026 May 31, 2025 Foreign currency forward contracts, net Other current liabilities $ (0.1 ) $ 0.4
Schedule of Gain Loss From Derivatives Not Designated As Hedging Instruments Statements of Financial Performance And Location | The location and amount of gains (loss) from derivatives not designated as hedging instruments in our consolidated statements of operations were as follows:
Derivatives Not Designated as Hedging Instruments |  | Location in statements of operations |  | May 31, 2026 |  |  | May 31, 2025 |  |  | May 31, 2024 |
Foreign currency forward contracts |  | Other, net |  | $ | (0.8 | ) |  | $ | 0.5 |  |  | $ | 0.1 |
Summary of Interest Rate Swaps on Recurring Basis Using Observable Market Inputs for Similar Assets or Liabilities | We record the fair value of our interest rate swaps on a recurring basis using Level 2 observable market inputs for similar assets or liabilities in active markets.
Fair Value of Derivatives Designated as Hedging Instruments |  | Balance Sheet Location |  | May 31, 2026 |  |  | May 31, 2025 |
Interest rate swaps – current |  | Other current liabilities |  | $ | (0.6 | ) |  | $ | (0.4 | )
Interest rate swaps – non-current |  | Other non-current liabilities |  | $ | — |  |  | $ | (1.3 | )
Summary of Fair Value of Term Loan and Senior Notes | Fair values of the Company’s Term Loan and Senior Notes were as follows:
|  | Year Ended May 31, |
|  | 2026 |  |  | 2025 |
Aggregate fair value |  |  | 815.5 |  |  |  | 914.9 |
Aggregate carrying value (1) |  |  | 800.0 |  |  |  | 900.0 |
(1) Excludes unamortized debt issuance costs.

X
- Definition Schedule of gain loss from derivatives not designated as hedging instruments statements of financial performance and location. + References No definition available. + Details
Name: | neog_ScheduleOfGainLossFromDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndLocationTableTextBlock
Namespace Prefix: | neog_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about asset and liability measured at fair value under fair value option. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 10 -SubTopic 10 -Topic 825 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-10 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-12 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-32 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-30 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 + Details
Name: | us-gaap_FairValueOptionQuantitativeDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 182 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-182 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of derivative instrument not designated or qualifying as hedging instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B + Details
Name: | us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration