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Goodwill and Other Intangible Assets (Tables) | 9 Months Ended
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Jun. 30, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill for the nine months ended June 30, 2021 are as follows (dollars in thousands):
|  | Total |
Balance as of September 30, 2020 |  | $ | 1,128,198 |
Effect of foreign currency translation |  |  | 4,699 |
Balance as of June 30, 2021 |  | $ | 1,132,897 |
Summary of Gross Carrying Amounts and Accumulated Amortization of Intangible Assets by Major Class | The following tables summarizes the gross carrying amounts and accumulated amortization of intangible assets by major class (dollars in thousands):
|  | June 30, 2021 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Weighted Average Remaining Life (Years) |
Customer relationships |  | $ | 111,403 |  |  | $ | (86,165 | ) |  | $ | 25,238 |  |  |  | 2.4 |
Technology and patents |  |  | 91,142 |  |  |  | (85,762 | ) |  |  | 5,380 |  |  |  | 1.0 |
Total |  | $ | 202,545 |  |  | $ | (171,927 | ) |  | $ | 30,618 |  |  |  |  |
|  | September 30, 2020 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Weighted Average Remaining Life (Years) |
Customer relationships |  | $ | 110,512 |  |  | $ | (75,915 | ) |  | $ | 34,597 |  |  |  | 3.0 |
Technology and patents |  |  | 90,658 |  |  |  | (79,639 | ) |  |  | 11,019 |  |  |  | 1.6 |
Total |  | $ | 201,170 |  |  | $ | (155,554 | ) |  | $ | 45,616 |  |  |  |  |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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