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v3.23.3

Property, Plant and Equipment (Tables) | 12 Months Ended
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Sep. 30, 2023
Property, Plant and Equipment [Abstract] |
Schedule of property, plant and equipment | ​
​ | ​ | ​
Buildings |  | 10 - 40 years
Computer equipment and software |  | 3 - 5 years
Machinery and equipment |  | 2 - 7 years
Furniture and fixtures |  | 5 years
Vehicles |  | 3 - 7 years
Property, plant and equipment were as follows as of September 30, 2023 and 2022 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30,
​ | ​ | 2023 | ​ | 2022
Buildings, land, and land use right | ​ | $ | 41,870 | ​ | $ | 29,581
Computer equipment and software | ​ | ​ | 38,623 | ​ | ​ | 35,814
Machinery and equipment | ​ | ​ | 139,858 | ​ | ​ | 90,700
Furniture and fixtures | ​ | ​ | 7,426 | ​ | ​ | 5,806
Leasehold improvements | ​ | ​ | 52,670 | ​ | ​ | 37,495
Capital projects in process | ​ | ​ | 33,915 | ​ | ​ | 36,644
Right-of-use asset | ​ | ​ | 4,718 | ​ | ​ | 2,476
Vehicles | ​ | ​ | 1,540 | ​ | ​ | —
Property, plant and equipment, gross | ​ | ​ | 320,620 | ​ | ​ | 238,516
Less: accumulated depreciation and amortization | ​ | ​ | (114,876) | ​ | ​ | (84,046)
Property, plant and equipment, net | ​ | $ | 205,744 | ​ | $ | 154,470

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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