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Detail of Selected Balance Sheet Accounts (Tables) | 9 Months Ended
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Jun. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Components of Inventories | The components of inventories are summarized below (in thousands):
| June 30, 2023 |  | September 30, 2022
Raw materials, parts and sub-assemblies, net | $ | 64,960 |  |  | $ | 49,213 |
Work-in-progress | 1,149 |  |  | 1,202 |
Total inventories | $ | 66,109 |  |  | $ | 50,415 |
Activity in Product Warranty Accrual | Activity in our product warranty accrual consisted of the following (in thousands):
| Three months ended June 30, |  | Nine months ended June 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Balance at beginning of period | $ | 2,711 |  |  | $ | 2,347 |  |  | $ | 2,345 |  |  | $ | 2,531 |
Increase to warranty expense | 1,241 |  |  | 462 |  |  | 2,931 |  |  | 1,077 |
Deduction for warranty charges | (760) |  |  | (499) |  |  | (2,095) |  |  | (1,303) |
Change due to foreign currency translation | 10 |  |  | (22) |  |  | 21 |  |  | (17) |
Balance at end of period | $ | 3,202 |  |  | $ | 2,288 |  |  | $ | 3,202 |  |  | $ | 2,288 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483489/210-10-50-1 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-8 + Details
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