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GOODWILL AND OTHER INTANGIBLE ASSETS | 6 Months Ended
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Mar. 31, 2023
GOODWILL AND OTHER INTANGIBLE ASSETS |
GOODWILL AND OTHER INTANGIBLE ASSETS |
6. | GOODWILL AND OTHER INTANGIBLE ASSETS
Included on the Company’s Consolidated Balance Sheets at March 31, 2023 and September 30, 2022 are the following intangible assets gross carrying amounts and accumulated amortization: ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, |  | September 30,
(Dollars in thousands) |  | 2023 |  | 2022
Goodwill | ​ | $ | 505,194 |  | 492,709
​ | ​ |  | ​ | ​ | ​
Intangible assets with determinable lives: | ​ |  | ​ | ​ | ​
Patents | ​ |  | ​ | ​ | ​
Gross carrying amount | ​ | $ | 2,425 | ​ | 2,353
Less: accumulated amortization | ​ |  | 1,154 | ​ | 1,091
Net | ​ | $ | 1,271 | ​ | 1,262
​ | ​ |  | ​ | ​ | ​
Capitalized software | ​ |  | ​ | ​ | ​
Gross carrying amount | ​ | $ | 115,191 | ​ | 106,583
Less: accumulated amortization | ​ |  | 74,787 | ​ | 70,476
Net | ​ | $ | 40,404 | ​ | 36,107
​ | ​ |  | ​ | ​ | ​
Customer relationships | ​ |  | ​ | ​ | ​
Gross carrying amount | ​ | $ | 298,005 | ​ | 287,447
Less: accumulated amortization | ​ |  | 105,013 | ​ | 96,921
Net | ​ | $ | 192,992 | ​ | 190,526
​ | ​ |  | ​ | ​ | ​
Other | ​ |  | ​ | ​ | ​
Gross carrying amount | ​ | $ | 14,298 | ​ | 13,985
Less: accumulated amortization | ​ |  | 8,779 | ​ | 7,440
Net | ​ | $ | 5,519 | ​ | 6,545
Intangible assets with indefinite lives: | ​ |  | ​ | ​ | ​
Trade names | ​ | $ | 161,531 | ​ | 160,024
​ The changes in the carrying amount of goodwill attributable to each business segment for the six months ended March 31, 2023 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Aerospace | ​ | ​
(Dollars in millions) |  | USG |  | Test |  | & Defense |  | Total
Balance as of September 30, 2022 | ​ | $ | 348.7 |  | ​ | 34.0 |  | 110.0 |  | 492.7
Acquisition activity and adjustments | ​ | ​ | — | ​ | ​ | — | ​ | 5.7 | ​ | 5.7
Foreign currency translation | ​ | ​ | 6.8 | ​ | ​ | — | ​ | — | ​ | 6.8
Balance as of March 31, 2023 | ​ | $ | 355.5 | ​ | ​ | 34.0 | ​ | 115.7 | ​ | 505.2
​

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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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