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SUPPLEMENTAL BALANCE SHEET INFORMATION (Tables) | 6 Months Ended
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Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Contract Assets and Liabilities | The following table provides information about contract assets (trade receivables and unbilled revenue, excluding allowances for credit losses), and fees invoiced in advance (customer deposits and deferred revenue):
| Balance at March 31, 2024 |  | Balance at September 30, 2023
Contract assets: Trade receivables | $ | 55,021 |  |  | $ | 77,618 |
Contract assets: Unbilled revenue | 17,195 |  |  | 17,211 |
Contract liabilities: Customer deposits | 24,295 |  |  | 36,689 |
Contract liabilities: Deferred revenue | 17,380 |  |  | 18,933
Trade receivables and contract assets, net consisted of the following:
| March 31, |  | September 30,
| 2024 |  | 2023
Trade receivables | $ | 55,021 |  |  | $ | 77,618 |
Unbilled revenue | 17,195 |  |  | 17,211 |
Total | 72,216 |  |  | 94,829 |
Less: Allowance for credit losses | (6,459) |  |  | (7,446) |
Trade receivables and contract assets, net of allowances for credit losses | $ | 65,757 |  |  | $ | 87,383 |
The composition of fees invoiced in advance is as follows:
| March 31, |  | September 30,
| 2024 |  | 2023
Customer deposits | $ | 24,295 |  |  | $ | 36,689 |
Deferred revenue | 17,380 |  |  | 18,933 |
Fees invoiced in advance | $ | 41,675 |  |  | $ | 55,622 |
Schedule of Inventory | Inventories, net consisted of the following:
| March 31, |  | September 30,
| 2024 |  | 2023
Raw materials | $ | 2,007 |  |  | $ | 2,259 |
Work in progress | 86 |  |  | 124 |
Finished goods | 4,540 |  |  | 4,439 |
Research Model Inventory | 42,718 |  |  | 52,524 |
Total | 49,351 |  |  | 59,346 |
Less: Obsolescence reserve | (3,945) |  |  | (3,244) |
Inventories, net | $ | 45,406 |  |  | $ | 56,102 |
Schedule of Other Current Assets | Prepaid expenses and other current assets consisted of the following:
| March 31, |  | September 30,
| 2024 |  | 2023
Advances to suppliers | $ | 21,331 |  |  | $ | 19,247 |
Prepaid research models | 4,705 |  |  | 4,300 |
Income tax receivable | 2,313 |  |  | 1,813 |
Note receivable | 1,334 |  |  | 1,226 |
Other | 7,138 |  |  | 6,822 |
Prepaid expenses and other current assets | $ | 36,821 |  |  | $ | 33,408 |
Schedule of Supplemental Balance Sheet information Related to Other Assets | The composition of other assets is as follows:
| March 31, |  | September 30,
| 2024 |  | 2023
Long-term advances to suppliers | $ | 3,741 |  |  | $ | 3,681 |
Funded status of defined benefit plan | 3,163 |  |  | 3,036 |
Other | 3,959 |  |  | 3,362 |
Other assets | $ | 10,863 |  |  | $ | 10,079 |
Schedule of Accrued Liabilities | Accrued expenses and other current liabilities consisted of the following:
| March 31, |  | September 30,
| 2024 |  | 2023
Accrued compensation | $ | 11,099 |  |  | $ | 12,966 |
Non-income taxes | 4,474 |  |  | 4,596 |
Accrued interest | 3,887 |  |  | 2,975 |
Other | 5,141 |  |  | 5,239 |
Agreement in Principle (Note 1) | $ | 6,501 |  |  | — |
Accrued expenses and other current liabilities | $ | 31,102 |  |  | $ | 25,776 |
Schedule of Other Liabilities | The composition of other liabilities is as follows:
| March 31, |  | September 30,
| 2024 |  | 2023
Long-term client deposits | $ | 17,000 |  |  | $ | 5,250 |
Other | 1,055 |  |  | 1,123 |
Agreement in Principle (Note 1) | 20,000 |  |  | — |
Other liabilities | $ | 38,055 |  |  | $ | 6,373 |

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