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Balance Sheet Details - Other Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Sep. 30, 2022
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Balance Sheet Details [Abstract] |  |
Intangible assets | $ 163,995 | $ 200,288
Unbilled receivables | 212,749 | 224,780
Capitalized contract acquisition costs | 36,098 | 42,561
Other | 51,451 | 48,493
Other Assets, Noncurrent | $ 464,293 | $ 516,122

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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-3 + Details
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