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SUPPLEMENTAL BALANCE SHEET INFORMATION (Tables) | 12 Months Ended
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Sep. 30, 2023
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 (client deposits and deferred revenue):
| Balance at September 30, 2023 |  | Balance at September 30, 2022
Contract Assets: Trade receivables | $ | 77,618 |  |  | $ | 88,867 |
Contract Assets: Unbilled revenue | 17,211 |  |  | 17,474 |
Contract liabilities: Client deposits | 36,689 |  |  | 39,222 |
Contract liabilities: Deferred revenue | 18,933 |  |  | 29,420 |
Trade receivables and contract assets, net consisted of the following:
| September 30, 2023 |  | September 30, 2022
Trade receivables | $ | 77,618 |  |  | $ | 88,867 |
Unbilled revenue | 17,211 |  |  | 17,474 |
Total | 94,829 |  |  | 106,341 |
Less: Allowance for credit losses | (7,446) |  |  | (6,268) |
Trade receivables and contract assets, net of allowances for credit losses | $ | 87,383 |  |  | $ | 100,073 |
The composition of fees invoiced in advance is as follows:
| September 30, 2023 |  | September 30, 2022
Client deposits | $ | 36,689 |  |  | $ | 39,222 |
Deferred revenue | 18,933 |  |  | 29,420 |
Fees invoiced in advance | $ | 55,622 |  |  | $ | 68,642 |
Schedule of Inventory | Inventories, net consisted of the following:
| September 30, 2023 |  | September 30, 2022
Raw materials | $ | 2,259 |  |  | $ | 1,757 |
Work in progress | 124 |  |  | 186 |
Finished goods | 4,439 |  |  | 4,933 |
Research Model Inventory | 52,524 |  |  | 68,055 |
Total | 59,346 |  |  | 74,931 |
Less: Obsolescence reserve | (3,244) |  |  | (3,490) |
Inventories, net | $ | 56,102 |  |  | $ | 71,441 |
Schedule of Other Current Assets | Prepaid expenses and other current assets consisted of the following:
| September 30, 2023 |  | September 30, 2022
Advances to suppliers | $ | 19,247 |  |  | $ | 30,292 |
Prepaid research models | 4,300 |  |  | 3,575 |
Tax-related receivables | 1,813 |  |  | 366 |
Note receivable | 1,226 |  |  | — |
Other | 6,822 |  |  | 8,250 |
Prepaid expenses and other current assets | $ | 33,408 |  |  | $ | 42,483 |
Schedule of Other Assets, Noncurrent | The composition of other assets is as follows:
| September 30, 2023 |  | September 30, 2022
Long-term advances to suppliers | $ | 3,681 |  |  | $ | 2,894 |
Funded status of defined benefit plan | 3,036 |  |  | 1,573 |
Other | 3,362 |  |  | 3,057 |
Other assets | $ | 10,079 |  |  | $ | 7,524 |
Schedule of Property, Plant and Equipment | The Company generally depreciates the cost of its property and equipment using the straight-line method over the estimated useful lives of the respective assets as follows:
Asset | Estimated Useful Lives
Land | Indefinite
Land improvements | 5 - 20
Buildings and building improvements | 10 - 40
Machinery and equipment | 7 - 10
Furniture and fixtures | 7 - 10
Computer hardware and software | 3 - 5
Vehicles | 3 - 5
The composition of property and equipment, net is as follows:
| September 30, 2023 |  | September 30, 2022
Land and land improvements | $ | 30,710 |  |  | $ | 20,025 |
Buildings and building improvements | 120,932 |  |  | 110,572 |
Machinery and equipment | 81,372 |  |  | 68,628 |
Furniture and fixtures | 3,223 |  |  | 1,905 |
Other | 3,664 |  |  | — |
Construction in progress | 25,804 |  |  | 40,519 |
Total Cost | 265,705 |  |  | 241,649 |
Accumulated depreciation | (74,637) |  |  | (55,450) |
| $ | 191,068 |  |  | $ | 186,199 |
Schedule of Accrued Liabilities | Accrued expenses consisted of the following:
| September 30, 2023 |  | September 30, 2022
Accrued compensation | $ | 12,966 |  |  | $ | 17,460 |
Non-income taxes | 4,596 |  |  | 1,200 |
Accrued interest | 2,975 |  |  | 5,228 |
Other | 5,239 |  |  | 11,913 |
Accrued expenses and other liabilities | $ | 25,776 |  |  | $ | 35,801 |

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