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Balance Sheet Details - Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 396,142 | $ 416,315
Accumulated Amortization | (245,173) | (216,027)
Net Carrying Amount | 150,969 | 200,288
Developed Technology Rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 319,368 | 319,436
Accumulated Amortization | (190,135) | (151,332)
Net Carrying Amount | 129,233 | 168,104
Customer Relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 45,642 | 46,142
Accumulated Amortization | (33,298) | (25,630)
Net Carrying Amount | 12,344 | 20,512
Patents And Trademarks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 13,699 | 23,504
Accumulated Amortization | (9,658) | (19,255)
Net Carrying Amount | 4,041 | 4,249
Trade Names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 15,473 | 24,973
Accumulated Amortization | (10,122) | (17,550)
Net Carrying Amount | 5,351 | 7,423
Non-Compete Covenants [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1,960 | 2,260
Accumulated Amortization | (1,960) | (2,260)
Net Carrying Amount | $ 0 | $ 0

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