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v3.22.2.2

Detail of Selected Balance Sheet Accounts | 12 Months Ended
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Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Detail of Selected Balance Sheet Accounts | Detail of Selected Balance Sheet Accounts Allowance for Credit Losses Activity in our allowance for credit losses consisted of the following (in thousands):
| September 30,
| 2022 |  | 2021
Balance at beginning of period | $ | 333 |  |  | $ | 510 |
Bad debt expense, net | 162 |  |  | 48 |
Uncollectible accounts written off, net of recoveries | (117) |  |  | (242) |
Change due to foreign currency translation | (34) |  |  | 17 |
Balance at end of period | $ | 344 |  |  | $ | 333 |
Inventories The components of inventories are summarized below (in thousands):
| September 30,
| 2022 |  | 2021
Raw materials, parts and subassemblies | $ | 54,220 |  |  | $ | 33,149 |
Work-in-progress | 1,202 |  |  | 1,147 |
Provision for excess and obsolete inventory | (5,007) |  |  | (4,461) |
Total inventories | $ | 50,415 |  |  | $ | 29,835 |
Property, Plant and Equipment Property, plant and equipment are summarized below (in thousands):
| September 30, |  | Range of
| 2022 |  | 2021 |  | Asset Lives
Land | $ | 21,299 |  |  | $ | 22,355 |  |  | —
Buildings and improvements | 120,506 |  |  | 124,798 |  |  | 3 - 39 Years
Machinery and equipment | 88,213 |  |  | 96,017 |  |  | 3 - 15 Years
Furniture and fixtures | 3,581 |  |  | 3,683 |  |  | 3 - 10 Years
Construction in process | 1,728 |  |  | 752 |  |  | —
| $ | 235,327 |  |  | $ | 247,605 |  |  |
Less: Accumulated depreciation | (136,699) |  |  | (138,148) |  |  |
Total property, plant and equipment, net | $ | 98,628 |  |  | $ | 109,457 |  |  |
There were no assets under finance lease as of September 30, 2022 or September 30, 2021. Depreciation expense was $9.4 million, $10.2 million and $10.4 million for fiscal years 2022, 2021, and 2020, respectively. Accrued Product Warranty Activity in our product warranty accrual consisted of the following (in thousands):
| September 30,
| 2022 |  | 2021
Balance at beginning of period | $ | 2,531 |  |  | $ | 2,771 |
Increase to warranty expense | 1,425 |  |  | 2,140 |
Deduction for warranty charges | (1,564) |  |  | (2,406) |
Change due to foreign currency translation | (47) |  |  | 26 |
Balance at end of period | $ | 2,345 |  |  | $ | 2,531 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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