SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Neogen Corp. – ‘10-K’ for 5/31/23 – ‘XML’

On:  Tuesday, 8/15/23, at 5:01pm ET   ·   For:  5/31/23   ·   Accession #:  950170-23-42861   ·   File #:  0-17988

Previous ‘10-K’:  ‘10-K’ on 7/27/22 for 5/31/22   ·   Latest ‘10-K’:  This Filing   ·   9 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/15/23  Neogen Corp.                      10-K        5/31/23   92:19M                                    Donnelley … Solutions/FA

Annual Report   —   Form 10-K

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   4.71M 
 2: EX-21       Subsidiaries List                                   HTML     59K 
 3: EX-23       Consent of Expert or Counsel                        HTML     26K 
 4: EX-24       Power of Attorney                                   HTML     58K 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     32K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     32K 
 7: EX-32       Certification -- §906 - SOA'02                      HTML     29K 
13: R1          Cover Page                                          HTML     93K 
14: R2          Consolidated Balance Sheets                         HTML    157K 
15: R3          Consolidated Balance Sheets (Parenthetical)         HTML     42K 
16: R4          Consolidated Statements of Income (Loss)            HTML    113K 
17: R5          Consolidated Statements of Comprehensive Income     HTML     55K 
                (Loss)                                                           
18: R6          Consolidated Statements of Comprehensive Income     HTML     30K 
                (Loss)(Parenthetical)                                            
19: R7          Consolidated Statements of Stockholders' Equity     HTML     79K 
20: R8          Consolidated Statements of Cash Flows               HTML    119K 
21: R9          Summary of Significant Accounting Policies          HTML    431K 
22: R10         Goodwill and Other Intangible Assets                HTML    195K 
23: R11         Business Combinations                               HTML    181K 
24: R12         Long Term Debt                                      HTML     95K 
25: R13         Equity Compensation Plans                           HTML    300K 
26: R14         Income Taxes                                        HTML    380K 
27: R15         Commitments and Contingencies                       HTML     46K 
28: R16         Defined Contribution Benefit Plan                   HTML     33K 
29: R17         Fair Value and Derivatives                          HTML    130K 
30: R18         Segment Information                                 HTML    283K 
31: R19         Summary of Significant Accounting Policies          HTML    474K 
                (Policies)                                                       
32: R20         Summary of Significant Accounting Policies          HTML    382K 
                (Tables)                                                         
33: R21         Goodwill and Other Intangible Assets (Tables)       HTML    175K 
34: R22         Business Combinations (Tables)                      HTML    118K 
35: R23         Long Term Debt (Tables)                             HTML     68K 
36: R24         Equity Compensation Plans (Tables)                  HTML    280K 
37: R25         Income Taxes (Tables)                               HTML    375K 
38: R26         Fair Value and Derivatives (Tables)                 HTML    121K 
39: R27         Segment Information (Tables)                        HTML    278K 
40: R28         Summary of Significant Accounting Policies -        HTML    101K 
                Additional Information (Detail)                                  
41: R29         Marketable Securities (Detail)                      HTML     35K 
42: R30         Components of marketable securities (Details)       HTML     36K 
43: R31         Activity in Allowance for Doubtful Accounts         HTML     36K 
                (Detail)                                                         
44: R32         Inventories (Detail)                                HTML     36K 
45: R33         Calculation of Net (Loss) Income per Share          HTML     61K 
                (Detail)                                                         
46: R34         Supplemental Balance Sheet Information Related to   HTML     35K 
                Operating Leases (Detail)                                        
47: R35         Weighted Average Remaining Lease Term and Weighted  HTML     29K 
                Average Discount Rate (Detail)                                   
48: R36         Components of Lease Expense (Detail)                HTML     31K 
49: R37         Undiscounted Minimum Lease Payments (Detail)        HTML     45K 
50: R38         Disaggregated Revenue (Detail)                      HTML     56K 
51: R39         Goodwill and Other Intangible Assets - Additional   HTML     78K 
                Information (Detail)                                             
52: R40         Goodwill by Business Segment (Detail)               HTML     42K 
53: R41         Amortizable of Intangible Assets (Detail)           HTML     53K 
54: R42         Business Combinations - Additional Information      HTML    229K 
                (Detail)                                                         
55: R43         Business Combinations - Summary of Preliminary      HTML     75K 
                Fair Values of Assets Acquired And Liabilities                   
                Assumed As of The Date of Acquisition (Detail)                   
56: R44         Business Combinations - Summary of Finite-Lived     HTML     38K 
                Intangible Assets Acquired as Part of Business                   
                Combination (Details)                                            
57: R45         Business Combinations - Summary of Business         HTML     40K 
                Acquisition, Unaudited Pro Forma Information                     
                (Details)                                                        
58: R46         Long Term Debt - Summary of Long Term Debt          HTML     38K 
                (Detail)                                                         
59: R47         Long Term Debt - Additional Information (Detail)    HTML    143K 
60: R48         Long Term Debt - Summary of Expected Maturities     HTML     47K 
                Associated With Outstanding Debt (Detail)                        
61: R49         Equity Compensation Plans - Additional Information  HTML     76K 
                (Detail)                                                         
62: R50         Stock Option Activity (Detail)                      HTML     57K 
63: R51         Stock Option Activity (Parenthetical) (Detail)      HTML     29K 
64: R52         Summary of Stock Options Outstanding (Detail)       HTML     66K 
65: R53         Schedule of Share-based Compensation Arrangement    HTML     31K 
                by Share-based Payment Award, Options Intrinsic                  
                Value (Detail)                                                   
66: R54         Equity Compensation Plans - Summary of Fair Value   HTML     36K 
                of Stock Options Granted Estimated                               
                Weighted-Average Assumptions (Details)                           
67: R55         Equity Compensation Plans - Schedule Of Nonvested   HTML     48K 
                Restricted Stock Units Activity (Detail)                         
68: R56         Income Before Income Taxes (Detail)                 HTML     35K 
69: R57         Provision for Income Taxes (Detail)                 HTML     55K 
70: R58         Reconciliation of Income Taxes Computed at the      HTML     62K 
                U.S. Federal Statutory Tax Rate to Income Tax                    
                Expense (Detail)                                                 
71: R59         Income Taxes - Additional Information (Detail)      HTML     42K 
72: R60         Significant Components of Deferred Income Tax       HTML     61K 
                Liabilities and Assets (Detail)                                  
73: R61         Operating Loss Carry forwards (Detail)              HTML     34K 
74: R62         Reconciliation of Our Tax Contingencies (Detail)    HTML     35K 
75: R63         Commitments and Contingencies - Additional          HTML     76K 
                Information (Detail)                                             
76: R64         Defined Contribution Benefit Plan - Additional      HTML     35K 
                Information (Detail)                                             
77: R65         Fair Value and Derivatives - Additional             HTML     54K 
                Information (Detail)                                             
78: R66         Fair Value and Derivatives - Schedule of Other      HTML     32K 
                Derivatives Not Designated As Hedging Instruments                
                Statements of Financial Performance And Financial                
                Position Location (Detail)                                       
79: R67         Fair Value and Derivatives - Schedule of Gain Loss  HTML     33K 
                From Derivatives Not Designated As Hedging                       
                Instruments Statements of Financial Performance                  
                And Location (Detail)                                            
80: R68         Fair Value and Derivatives - Summary of Interest    HTML     34K 
                Rate Swaps on Recurring Basis Using Observable                   
                Market Inputs for Similar Assets or Liabilities                  
                (Details)                                                        
81: R69         Fair Value and Derivatives - Summary of Fair Value  HTML     32K 
                of Term Loan and Senior Notes (Detail)                           
82: R70         Fair Value and Derivatives - Summary of Other       HTML     32K 
                Comprehensive Income (Loss) Before                               
                Reclassifications of Derivative Gains and Losses                 
                (Details)                                                        
83: R71         Fair Value and Derivatives - Summary of             HTML     33K 
                Reclassification of Derivative Gains and Losses                  
                into Net Income from Accumulated Other                           
                Comprehensive Income (Loss) (Details)                            
84: R72         Segment Information - Additional Information        HTML     28K 
                (Detail)                                                         
85: R73         Segment Information (Detail)                        HTML     73K 
86: R74         Disaggregated Revenue by Geographic Location        HTML     36K 
                (Detail)                                                         
87: R75         Segment Information - Summary of Net Property and   HTML     35K 
                Equipment Disaggregated by Country (Detail)                      
90: XML         IDEA XML File -- Filing Summary                      XML    167K 
88: XML         XBRL Instance -- neog-20230531_htm                   XML   5.04M 
89: EXCEL       IDEA Workbook of Financial Report Info              XLSX    192K 
11: EX-101.CAL  XBRL Calculations -- neog-20230531_cal               XML    195K 
10: EX-101.DEF  XBRL Definitions -- neog-20230531_def                XML   1.46M 
 9: EX-101.LAB  XBRL Labels -- neog-20230531_lab                     XML   1.89M 
 8: EX-101.PRE  XBRL Presentations -- neog-20230531_pre              XML   1.61M 
12: EX-101.SCH  XBRL Schema -- neog-20230531                         XSD    228K 
91: JSON        XBRL Instance as JSON Data -- MetaLinks              603±   980K 
92: ZIP         XBRL Zipped Folder -- 0000950170-23-042861-xbrl      Zip    564K 


‘XML’   —   IDEA XML File — Filing Summary


This Document is an IDEA XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.23.2 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 296 </ContextCount>
<ElementCount> 474 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> true </FootnotesReported>
<SegmentCount> 97 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 5 </UnitCount>
<MyReports>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 100000 - Document - Cover Page </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/CoverPage </Role>
<ShortName> Cover Page </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 100010 - Statement - Consolidated Balance Sheets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ConsolidatedBalanceSheets </Role>
<ShortName> Consolidated Balance Sheets </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 100040 - Statement - Consolidated Balance Sheets (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ConsolidatedBalanceSheetsParenthetical </Role>
<ShortName> Consolidated Balance Sheets (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 100050 - Statement - Consolidated Statements of Income (Loss) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/StatementConsolidatedStatementsOfIncomeLoss </Role>
<ShortName> Consolidated Statements of Income (Loss) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 100060 - Statement - Consolidated Statements of Comprehensive Income (Loss) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss </Role>
<ShortName> Consolidated Statements of Comprehensive Income (Loss) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 100070 - Statement - Consolidated Statements of Comprehensive Income (Loss)(Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncomeLossparenthetical </Role>
<ShortName> Consolidated Statements of Comprehensive Income (Loss)(Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 100080 - Statement - Consolidated Statements of Stockholders' Equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ConsolidatedStatementsOfStockholdersEquity </Role>
<ShortName> Consolidated Statements of Stockholders' Equity </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 100090 - Statement - Consolidated Statements of Cash Flows </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ConsolidatedStatementsOfCashFlows </Role>
<ShortName> Consolidated Statements of Cash Flows </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 100100 - Disclosure - Summary of Significant Accounting Policies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SummaryOfSignificantAccountingPolicies </Role>
<ShortName> Summary of Significant Accounting Policies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 100110 - Disclosure - Goodwill and Other Intangible Assets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/GoodwillAndOtherIntangibleAssets </Role>
<ShortName> Goodwill and Other Intangible Assets </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 100120 - Disclosure - Business Combinations </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/BusinessCombinations </Role>
<ShortName> Business Combinations </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 100130 - Disclosure - Long Term Debt </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/LongTermDebt </Role>
<ShortName> Long Term Debt </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 100140 - Disclosure - Equity Compensation Plans </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/EquityCompensationPlans </Role>
<ShortName> Equity Compensation Plans </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 100150 - Disclosure - Income Taxes </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/IncomeTaxes </Role>
<ShortName> Income Taxes </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 100160 - Disclosure - Commitments and Contingencies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/CommitmentsAndContingencies </Role>
<ShortName> Commitments and Contingencies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 100170 - Disclosure - Defined Contribution Benefit Plan </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DefinedContributionBenefitPlan </Role>
<ShortName> Defined Contribution Benefit Plan </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 100180 - Disclosure - Fair Value and Derivatives </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivatives </Role>
<ShortName> Fair Value and Derivatives </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 100200 - Disclosure - Segment Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SegmentInformation </Role>
<ShortName> Segment Information </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 100220 - Disclosure - Summary of Significant Accounting Policies (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies </Role>
<ShortName> Summary of Significant Accounting Policies (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 19 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 100230 - Disclosure - Summary of Significant Accounting Policies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SummaryOfSignificantAccountingPoliciesTables </Role>
<ShortName> Summary of Significant Accounting Policies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 20 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 100240 - Disclosure - Goodwill and Other Intangible Assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/GoodwillAndOtherIntangibleAssetsTables </Role>
<ShortName> Goodwill and Other Intangible Assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/GoodwillAndOtherIntangibleAssets </ParentRole>
<Position> 21 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 100250 - Disclosure - Business Combinations (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureBusinessCombinationsTables </Role>
<ShortName> Business Combinations (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/BusinessCombinations </ParentRole>
<Position> 22 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 100260 - Disclosure - Long Term Debt (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureLongTermDebtTables </Role>
<ShortName> Long Term Debt (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/LongTermDebt </ParentRole>
<Position> 23 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 100270 - Disclosure - Equity Compensation Plans (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/EquityCompensationPlansTables </Role>
<ShortName> Equity Compensation Plans (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/EquityCompensationPlans </ParentRole>
<Position> 24 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 100280 - Disclosure - Income Taxes (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/IncomeTaxesTables </Role>
<ShortName> Income Taxes (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/IncomeTaxes </ParentRole>
<Position> 25 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 100290 - Disclosure - Fair Value and Derivatives (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesTables </Role>
<ShortName> Fair Value and Derivatives (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivatives </ParentRole>
<Position> 26 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 100300 - Disclosure - Segment Information (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SegmentInformationTables </Role>
<ShortName> Segment Information (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/SegmentInformation </ParentRole>
<Position> 27 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 100310 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail </Role>
<ShortName> Summary of Significant Accounting Policies - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 28 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 100320 - Disclosure - Marketable Securities (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/MarketableSecuritiesDetail </Role>
<ShortName> Marketable Securities (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 29 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 100330 - Disclosure - Components of marketable securities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ComponentsOfMarketableSecuritiesDetails </Role>
<ShortName> Components of marketable securities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 30 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 100340 - Disclosure - Activity in Allowance for Doubtful Accounts (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ActivityInAllowanceForDoubtfulAccountsDetail </Role>
<ShortName> Activity in Allowance for Doubtful Accounts (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 31 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 100350 - Disclosure - Inventories (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/InventoriesDetail </Role>
<ShortName> Inventories (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 32 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 100360 - Disclosure - Calculation of Net (Loss) Income per Share (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureCalculationOfNetLossIncomePerShareDetail </Role>
<ShortName> Calculation of Net (Loss) Income per Share (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 33 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 100370 - Disclosure - Supplemental Balance Sheet Information Related to Operating Leases (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SupplementalBalanceSheetInformationRelatedToOperatingLeasesDetail </Role>
<ShortName> Supplemental Balance Sheet Information Related to Operating Leases (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 34 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 100380 - Disclosure - Weighted Average Remaining Lease Term and Weighted Average Discount Rate (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/WeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateDetail </Role>
<ShortName> Weighted Average Remaining Lease Term and Weighted Average Discount Rate (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 35 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 100390 - Disclosure - Components of Lease Expense (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ComponentsOfLeaseExpenseDetail </Role>
<ShortName> Components of Lease Expense (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 36 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 100400 - Disclosure - Undiscounted Minimum Lease Payments (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/UndiscountedMinimumLeasePaymentsDetail </Role>
<ShortName> Undiscounted Minimum Lease Payments (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 37 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 100410 - Disclosure - Disaggregated Revenue (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisaggregatedRevenueDetail </Role>
<ShortName> Disaggregated Revenue (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 38 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 100420 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/GoodwillAndOtherIntangibleAssetsAdditionalInformationDetail </Role>
<ShortName> Goodwill and Other Intangible Assets - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 39 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 100430 - Disclosure - Goodwill by Business Segment (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/GoodwillByBusinessSegmentDetail </Role>
<ShortName> Goodwill by Business Segment (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 40 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 100440 - Disclosure - Amortizable of Intangible Assets (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/AmortizableOfIntangibleAssetsDetail </Role>
<ShortName> Amortizable of Intangible Assets (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 41 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 100450 - Disclosure - Business Combinations - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/BusinessCombinationsAdditionalInformationDetail </Role>
<ShortName> Business Combinations - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 42 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 100460 - Disclosure - Business Combinations - Summary of Preliminary Fair Values of Assets Acquired And Liabilities Assumed As of The Date of Acquisition (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureBusinessCombinationsSummaryOfPreliminaryFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAsOfTheDateOfAcquisitionDetail </Role>
<ShortName> Business Combinations - Summary of Preliminary Fair Values of Assets Acquired And Liabilities Assumed As of The Date of Acquisition (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 43 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 100470 - Disclosure - Business Combinations - Summary of Finite-Lived Intangible Assets Acquired as Part of Business Combination (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureBusinessCombinationsSummaryOfFinitelivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationDetails </Role>
<ShortName> Business Combinations - Summary of Finite-Lived Intangible Assets Acquired as Part of Business Combination (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 44 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 100480 - Disclosure - Business Combinations - Summary of Business Acquisition, Unaudited Pro Forma Information (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureBusinessCombinationsSummaryOfBusinessAcquisitionUnauditedProFormaInformationDetails </Role>
<ShortName> Business Combinations - Summary of Business Acquisition, Unaudited Pro Forma Information (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 45 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 100490 - Disclosure - Long Term Debt - Summary of Long Term Debt (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureLongTermDebtSummaryOfLongTermDebtDetail </Role>
<ShortName> Long Term Debt - Summary of Long Term Debt (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 46 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 100500 - Disclosure - Long Term Debt - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/LongTermDebtAdditionalInformationDetail </Role>
<ShortName> Long Term Debt - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 47 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 100510 - Disclosure - Long Term Debt - Summary of Expected Maturities Associated With Outstanding Debt (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureLongTermDebtSummaryOfExpectedMaturitiesAssociatedWithOutstandingDebtDetail </Role>
<ShortName> Long Term Debt - Summary of Expected Maturities Associated With Outstanding Debt (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 48 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 100520 - Disclosure - Equity Compensation Plans - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/EquityCompensationPlansAdditionalInformationDetail </Role>
<ShortName> Equity Compensation Plans - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 49 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 100530 - Disclosure - Stock Option Activity (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/StockOptionActivityDetail </Role>
<ShortName> Stock Option Activity (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 50 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 100540 - Disclosure - Stock Option Activity (Parenthetical) (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/StockOptionActivityParentheticalDetail </Role>
<ShortName> Stock Option Activity (Parenthetical) (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 51 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 100550 - Disclosure - Summary of Stock Options Outstanding (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SummaryOfStockOptionsOutstandingDetail </Role>
<ShortName> Summary of Stock Options Outstanding (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 52 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 100560 - Disclosure - Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options Intrinsic Value (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIntrinsicValueDetail </Role>
<ShortName> Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options Intrinsic Value (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 53 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 100570 - Disclosure - Equity Compensation Plans - Summary of Fair Value of Stock Options Granted Estimated Weighted-Average Assumptions (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureEquityCompensationPlansSummaryOfFairValueOfStockOptionsGrantedEstimatedWeightedaverageAssumptionsDetails </Role>
<ShortName> Equity Compensation Plans - Summary of Fair Value of Stock Options Granted Estimated Weighted-Average Assumptions (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 54 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 100580 - Disclosure - Equity Compensation Plans - Schedule Of Nonvested Restricted Stock Units Activity (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/EquityCompensationPlansScheduleOfNonvestedRestrictedStockUnitsActivityDetail </Role>
<ShortName> Equity Compensation Plans - Schedule Of Nonvested Restricted Stock Units Activity (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 55 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 100590 - Disclosure - Income Before Income Taxes (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/IncomeBeforeIncomeTaxesDetail </Role>
<ShortName> Income Before Income Taxes (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 56 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 100600 - Disclosure - Provision for Income Taxes (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ProvisionForIncomeTaxesDetail </Role>
<ShortName> Provision for Income Taxes (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 57 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 100610 - Disclosure - Reconciliation of Income Taxes Computed at the U.S. Federal Statutory Tax Rate to Income Tax Expense (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ReconciliationOfIncomeTaxesComputedAtTheUSFederalStatutoryTaxRateToIncomeTaxExpenseDetail </Role>
<ShortName> Reconciliation of Income Taxes Computed at the U.S. Federal Statutory Tax Rate to Income Tax Expense (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 58 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 100620 - Disclosure - Income Taxes - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/IncomeTaxesAdditionalInformationDetail </Role>
<ShortName> Income Taxes - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 59 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 100630 - Disclosure - Significant Components of Deferred Income Tax Liabilities and Assets (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SignificantComponentsOfDeferredIncomeTaxLiabilitiesAndAssetsDetail </Role>
<ShortName> Significant Components of Deferred Income Tax Liabilities and Assets (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 60 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 100640 - Disclosure - Operating Loss Carry forwards (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/OperatingLossCarryForwardsDetail </Role>
<ShortName> Operating Loss Carry forwards (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 61 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 100650 - Disclosure - Reconciliation of Our Tax Contingencies (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/ReconciliationOfOurTaxContingenciesDetail </Role>
<ShortName> Reconciliation of Our Tax Contingencies (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 62 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 100660 - Disclosure - Commitments and Contingencies - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail </Role>
<ShortName> Commitments and Contingencies - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 63 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 100670 - Disclosure - Defined Contribution Benefit Plan - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DefinedContributionBenefitPlanAdditionalInformationDetail </Role>
<ShortName> Defined Contribution Benefit Plan - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 64 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 100680 - Disclosure - Fair Value and Derivatives - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesAdditionalInformationDetail </Role>
<ShortName> Fair Value and Derivatives - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 65 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 100690 - Disclosure - Fair Value and Derivatives - Schedule of Other Derivatives Not Designated As Hedging Instruments Statements of Financial Performance And Financial Position Location (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPo </Role>
<ShortName> Fair Value and Derivatives - Schedule of Other Derivatives Not Designated As Hedging Instruments Statements of Financial Performance And Financial Position Location (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 66 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 100700 - Disclosure - Fair Value and Derivatives - Schedule of Gain Loss From Derivatives Not Designated As Hedging Instruments Statements of Financial Performance And Location (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesScheduleOfGainLossFromDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndLoc </Role>
<ShortName> Fair Value and Derivatives - Schedule of Gain Loss From Derivatives Not Designated As Hedging Instruments Statements of Financial Performance And Location (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 67 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 100710 - Disclosure - Fair Value and Derivatives - Summary of Interest Rate Swaps on Recurring Basis Using Observable Market Inputs for Similar Assets or Liabilities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesSummaryOfInterestRateSwapsOnRecurringBasisUsingObservableMarketInputsForSimilarAssetsOrLiabilitiesDetai </Role>
<ShortName> Fair Value and Derivatives - Summary of Interest Rate Swaps on Recurring Basis Using Observable Market Inputs for Similar Assets or Liabilities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 68 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 100720 - Disclosure - Fair Value and Derivatives - Summary of Fair Value of Term Loan and Senior Notes (Detail) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesSummaryOfFairValueOfTermLoanAndSeniorNotesDetail </Role>
<ShortName> Fair Value and Derivatives - Summary of Fair Value of Term Loan and Senior Notes (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 69 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 100730 - Disclosure - Fair Value and Derivatives - Summary of Other Comprehensive Income (Loss) Before Reclassifications of Derivative Gains and Losses (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesSummaryOfOtherComprehensiveIncomeLossBeforeReclassificationsOfDerivativeGainsAndLossesDetails </Role>
<ShortName> Fair Value and Derivatives - Summary of Other Comprehensive Income (Loss) Before Reclassifications of Derivative Gains and Losses (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 70 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 100740 - Disclosure - Fair Value and Derivatives - Summary of Reclassification of Derivative Gains and Losses into Net Income from Accumulated Other Comprehensive Income (Loss) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureFairValueAndDerivativesSummaryOfReclassificationOfDerivativeGainsAndLossesIntoNetIncomeFromAccumulatedOtherComprehensiveIncomeL </Role>
<ShortName> Fair Value and Derivatives - Summary of Reclassification of Derivative Gains and Losses into Net Income from Accumulated Other Comprehensive Income (Loss) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 71 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 100760 - Disclosure - Segment Information - Additional Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SegmentInformationAdditionalInformationDetail </Role>
<ShortName> Segment Information - Additional Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 72 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 100770 - Disclosure - Segment Information (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/SegmentInformationDetail </Role>
<ShortName> Segment Information (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.neogen.com/20230531/taxonomy/role/SegmentInformationTables </ParentRole>
<Position> 73 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 100780 - Disclosure - Disaggregated Revenue by Geographic Location (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisaggregatedRevenueByGeographicLocationDetail </Role>
<ShortName> Disaggregated Revenue by Geographic Location (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 74 </Position>
</Report>
<Report instance="neog-20230531.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 100790 - Disclosure - Segment Information - Summary of Net Property and Equipment Disaggregated by Country (Detail) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.neogen.com/20230531/taxonomy/role/DisclosureSegmentInformationSummaryOfNetPropertyAndEquipmentDisaggregatedByCountryDetail </Role>
<ShortName> Segment Information - Summary of Net Property and Equipment Disaggregated by Country (Detail) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 75 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File doctype="10-K" original="neog-20230531.htm"> neog-20230531.htm </File>
<File> neog-20230531.xsd </File>
<File> neog-20230531_cal.xml </File>
<File> neog-20230531_def.xml </File>
<File> neog-20230531_lab.xml </File>
<File> neog-20230531_pre.xml </File>
<File> neog-ex21.htm </File>
<File> neog-ex23.htm </File>
<File> neog-ex24.htm </File>
<File> neog-ex31_1.htm </File>
<File> neog-ex31_2.htm </File>
<File> neog-ex32.htm </File>
</InputFiles>
<SupplementalFiles/>
<BaseTaxonomies>
<BaseTaxonomy items="1159"> http://fasb.org/us-gaap/2022 </BaseTaxonomy>
<BaseTaxonomy items="36"> http://xbrl.sec.gov/dei/2022 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>


9 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 9/01/22  Neogen Corp.                      8-K:1,2,5,8 9/01/22   23:5.6M                                   Broadridge Fin’l So… Inc
 7/27/22  Neogen Corp.                      10-K        5/31/22   85:10M                                    Donnelley … Solutions/FA
 7/27/22  Neogen Corp.                      S-4/A                  7:10M                                    Broadridge Fin’l So… Inc
 3/17/22  Neogen Corp.                      8-K:5,9     3/14/22   11:1.3M                                   Broadridge Fin’l So… Inc
12/15/21  Neogen Corp.                      8-K:1,9    12/13/21   14:1.6M                                   Donnelley … Solutions/FA
 7/30/20  Neogen Corp.                      10-K        5/31/20   80:13M                                    Donnelley … Solutions/FA
12/28/18  Neogen Corp.                      10-Q       11/30/18   52:4.6M                                   Donnelley … Solutions/FA
12/30/11  Neogen Corp.                      10-Q       11/30/11   47:2.9M                                   Donnelley … Solutions/FA
 4/14/00  Neogen Corp.                      10-Q        2/29/00    5:172K                                   Reardon Parshall Co./FA
Top
Filing Submission 0000950170-23-042861   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Wed., May 15, 9:51:10.2am ET