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Goodwill and Other Intangible Assets | 6 Months Ended
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Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | Note 7. Goodwill and Other Intangible Assets (a) Goodwill We believe our Chief Executive Officer (“CEO”) is our chief operating decision maker (“CODM”). Our CEO approves all major decisions, including reorganizations and new business initiatives. Our CODM reviews routine consolidated operating information and makes decisions on the allocation of resources at this level, as such, we have concluded that we have one operating segment. All goodwill is assigned to one or more reporting units. A reporting unit represents an operating segment or a component within an operating segment for which discrete financial information is available and is regularly reviewed by segment management for performance assessment and resource allocation. Upon consideration of our components, we have concluded that our goodwill is associated with one reporting unit. On March 31, 2023, we concluded that no goodwill impairment ind icators were present. We will continue to monitor the impacts of the COVID-19 pandemic on our reporting unit fair value. The full extent to which the ongoing COVID-19 pandemic could adversely affect our financial performance will depend on future developments, many of which are outside of our control. The changes in the carrying amount of goodwill for the six months ended March 31, 2023 are as follows (dollars in thousands):
|  | Total |
Balance as of September 30, 2022 |  | $ | 890,802 |
Effect of foreign currency translation |  |  | 13,248 |
Balance as of March 31, 2023 |  | $ | 904,050 |
(b) Intangible Assets, Net The following tables summarizes the gross carrying amounts and accumulated amortization of intangible assets by major class (dollars in thousands):
|  | March 31, 2023 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Weighted Average Remaining Life (Years) |
Customer relationships |  | $ | 107,913 |  |  | $ | (102,925 | ) |  | $ | 4,988 |  |  |  | 2.0 |
Technology and patents |  |  | 89,752 |  |  |  | (89,441 | ) |  |  | 311 |  |  |  | 0.7 |
Total |  | $ | 197,665 |  |  | $ | (192,366 | ) |  | $ | 5,299 |  |  |  |
|  | September 30, 2022 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Weighted Average Remaining Life (Years) |
Customer relationships |  | $ | 104,498 |  |  | $ | (95,315 | ) |  | $ | 9,183 |  |  |  | 1.7 |
Technology and patents |  |  | 88,600 |  |  |  | (88,083 | ) |  |  | 517 |  |  |  | 1.2 |
Total |  | $ | 193,098 |  |  | $ | (183,398 | ) |  | $ | 9,700 |  |  |  |
Amortization expen se related to intangible assets in the aggregate was $2.5 million and $4.0 million for the three months ended March 31, 2023 and 2022, respectively, and $5.0 million and $9.1 million for the six months ended March 31, 2023 and 2022, respectively. We expect amortization of intangible assets to be approximately $1.3 million for the remainder of fiscal year 2023.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI https://asc.fasb.org/topic&trid=2144416 + Details
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