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DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Policies)
6 Months Ended
Mar. 31, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Segments
The Company reports its results in two segments: Discovery and Safety Assessment (“DSA”) and Research Models and Services (“RMS”).

Through our DSA segment, we provide discovery and translational sciences (“DTS”) and safety assessment services (including nonclinical development and, in certain cases, clinical development) to support the needs of researchers and clinicians for primarily small molecule drug candidates, as well as biotherapeutics and biomedical devices utilizing both Good Laboratory Practice (“GLP”) and non-GLP. Our scientists have skills in histology, pathology, physiology, surgery, analytical chemistry, drug metabolism, pharmacokinetics, and toxicology. Our principal clients range from small start-up biotechnology companies to some of the largest global pharmaceutical companies, whose scientists are engaged in analytical chemistry, drug safety evaluation, drug metabolism studies, pharmacokinetics, clinical trials, and basic research.

Through our RMS segment, we offer access to a wide range of purpose-bred animal research models for basic research and drug discovery and development, specialized models for specific diseases and therapeutic areas, and diet, bedding and enrichment products, all supported by our deep animal husbandry expertise. We have the ability to run selected nonclinical studies directly on-site at closely located research model facilities and provide access to innovative genetically engineered models and services solutions. Our principal clients include biopharmaceutical companies, CROs, and academic and government organizations.
Basis of Presentation
Basis of Presentation
The Company has prepared the accompanying unaudited interim condensed consolidated financial statements pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) regarding interim financial reporting. Accordingly, they do not include all of the information and footnotes required by GAAP, and therefore should be read in conjunction with the Company’s audited consolidated financial statements, and the notes thereto, included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2025. In the opinion of management, the unaudited condensed consolidated financial statements for the three and six months ended March 31, 2026 and 2025 include all adjustments which are necessary for a fair presentation of the results of the interim periods and of the Company’s financial position at March 31, 2026. The results of operations for the three and six months ended March 31, 2026 are not necessarily indicative of the results for the fiscal year ending September 30, 2026.
Use of Estimates
Use of Estimates

The preparation of condensed consolidated financial statements in conformity with GAAP requires the Company to make estimates and judgments that may affect the reported amounts of assets, liabilities, revenues, and expenses, and related disclosures of contingent assets and liabilities. These include, but are not limited to, management estimates in the calculation and timing of revenue recognition, pension liabilities, deferred tax assets and liabilities and the related valuation allowance. Although estimates are based upon management’s best estimate using historical experience, current events, and actions, actual results could differ from those estimates. Changes in estimates are reflected in reported results in the period in which they become known.
Consolidation
Consolidation
The accompanying condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All significant intercompany accounts and transactions have been eliminated.
Newly Issued Accounting Pronouncements
Newly Issued Accounting Pronouncements

In December 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2023-09, “Improvements to Income Tax Disclosures (Topic 740)”. ASU 2023-09 requires enhanced disclosures on income taxes paid, adds disaggregation of continuing operations before income taxes between foreign and domestic earnings and defines specific categories for the reconciliation of jurisdictional tax rate to effective tax rate. This ASU is effective for
fiscal years beginning after December 15, 2024, and can be applied on a prospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures in the consolidated financial statements.

In January 2025, the FASB issued ASU 2024-03, “Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40)”. ASU 2024-03 requires enhanced disclosures on disaggregated information about certain income statement line items in a tabular format in the notes to the financial statements. This ASU is effective for fiscal years beginning after December 15, 2026, and interim periods within annual periods beginning after December 15, 2027, with early adoption permitted, and can be applied on either a prospective or retrospective basis. The Company is currently evaluating the impact this new standard will have on the related disclosures in the consolidated financial statements.

In July 2025, the FASB issued ASU 2025-05, “Financial Instruments – Credit Losses (Topic 326) Measurement of Credit Losses for Accounts Receivables and Contract Assets.” ASU 2025-05 offers a practical expedient for entities to assume balance sheet date conditions remain unchanged for the asset’s life when estimating credit losses under the reasonable and supportable approach. The ASU is effective for fiscal years beginning after December 15, 2025, and interim periods within those annual reporting periods. Early adoption is permitted, and if practical expedient is elected, the amendments in this update should be applied on a prospective basis. The Company is currently evaluating the impact this new standard will have on the consolidated financial statements and the related disclosures.

In September 2025, the FASB issued ASU 2025-06, “Intangibles — Goodwill and Other — Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software”. ASU 2025-06 removes all references to software development project stages so that the guidance is neutral to different software development methods, including the methods that entities may use to develop software in the future. This ASU is effective for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual reporting periods, with early adoption permitted, and can be applied on either a prospective transition approach, a modified transition approach that is based on the status of the project and whether software costs were capitalized before the date of adoption, or a retrospective transition approach. The Company is currently evaluating the impact this new standard will have on the consolidated financial statements and related disclosures.

In December 2025, the FASB issued ASU 2025-12, “Codification Improvements”, to clarify, correct errors in or make other improvements to a broad range of topics in the Accounting Standards Codification. The guidance is effective for all entities for annual reporting periods beginning after December 15, 2026, and interim periods within those annual reporting periods. Early adoption is permitted on an issue-by-issue basis. The Company is currently evaluating the impact this new standard will have on the consolidated financial statements and related disclosures.
Concentration of Risk
Concentration of Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of trade receivables from clients in the biopharmaceutical, contract research, academic, and governmental sectors. The Company believes its exposure to credit risk is minimal, as the majority of the clients are predominantly well established and viable. Additionally, the Company maintains allowances for potential credit losses. The Company’s exposure to credit loss in the event that payment is not received for revenue recognized equals the outstanding trade receivables and contract assets less fees invoiced in advance.