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Detail of Selected Balance Sheet Accounts | 6 Months Ended
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Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Detail of Selected Balance Sheet Accounts | Detail of Selected Balance Sheet Accounts Inventories The components of inventories are summarized below (in thousands):
| March 31, 2024 |  | September 30, 2023
Raw materials, parts and sub-assemblies | $ | 87,564 |  |  | $ | 68,631 |
Work-in-progress | 1,204 |  |  | 1,379 |
Provision for excess and obsolete inventories | (6,693) |  |  | (6,145) |
Total inventories | $ | 82,075 |  |  | $ | 63,865 |
Property, Plant and Equipment Property, plant and equipment are summarized below (in thousands):
| March 31, 2024 |  | September 30, 2023 |  |  |  |
Land | $ | 21,606 |  |  | $ | 21,526 |  |  |  |  |
Buildings and improvements | 124,070 |  |  | 121,454 |  |  |  |  |
Machinery and equipment | 94,683 |  |  | 92,477 |  |  |  |  |
Furniture and fixtures | 3,803 |  |  | 3,726 |  |  |  |  |
Construction in process | 1,403 |  |  | 4,129 |  |  |  |  |
| $ | 245,565 |  |  | $ | 243,312 |  |  |  |  |
Less: Accumulated depreciation | (148,910) |  |  | (145,687) |  |  |  |  |
Total property, plant and equipment, net | $ | 96,655 |  |  | $ | 97,625 |  |  |  |  |
There were no assets under finance lease as of March 31, 2024 or September 30, 2023. Intangible Asset In December 2023, we acquired intellectual property for a total consideration of $0.5 million, of which $250 thousand was paid in cash at the acquisition date. Accrued Product Warranty Activity in our product warranty accrual consisted of the following (in thousands):
| Three months ended March 31, |  | Six months ended March 31,
| 2024 |  | 2023 |  | 2024 |  | 2023
Balance at beginning of period | $ | 3,680 |  |  | $ | 2,380 |  |  | $ | 3,305 |  |  | $ | 2,345 |
Increase to warranty expense | 1,867 |  |  | 1,211 |  |  | 2,994 |  |  | 1,690 |
Deduction for warranty charges | (968) |  |  | (882) |  |  | (1,742) |  |  | (1,335) |
Change due to foreign currency translation | (11) |  |  | 2 |  |  | 11 |  |  | 11 |
Balance at end of period | $ | 4,568 |  |  | $ | 2,711 |  |  | $ | 4,568 |  |  | $ | 2,711 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//210/tableOfContent + Details
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