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Balance Sheet Details - Other Current Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024
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Balance Sheet Details [Abstract] |  |
Unbilled receivables | $ 498,288 | $ 401,104
Prepaid expenses | 86,346 | 93,467
Capitalized contract acquisition costs | 37,023 | 32,681
Other | 61,109 | 42,215
Other Assets, Current | $ 682,766 | $ 569,467

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