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Balance Sheet Details - Other Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Sep. 30, 2024
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Balance Sheet Details [Abstract] |  |
Intangible assets | $ 101,015 | $ 111,576
Unbilled receivables | 303,854 | 277,965
Capitalized contract acquisition costs | 36,685 | 33,577
Other | 67,001 | 64,399
Other Assets, Noncurrent | $ 508,555 | $ 487,517

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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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