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v3.23.3

Restructuring Charges (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2023 USD ($) Rate | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 65,388 | $ 7,909 | $ 0
Q3 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 56,700 |  |
Number of employees affected | 620 |  |
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent | Rate | 9.00% |  |
Severance Costs | $ 53,200 |  |
Other Restructuring Costs | 3,500 |  |
Payments for Restructuring | 49,700 |  |
Restructuring Reserve | 3,500 |  |
Q1 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 8,700 |  |
Q1 2022 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | $ 7,900 |

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