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Restructuring and Other Costs, Net - Schedule of Restructuring and Other Costs, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring and other costs, net | $ 1,760 | $ 3,301 | $ 2,777 | $ 13,725
Personnel |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring and other costs, net |  | 2,452 | 381 | 3,133
Facilities |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring and other costs, net | 447 |  | 1,012 |
Restructuring Subtotal |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring and other costs, net | 447 | 2,452 | 1,393 | 3,133
Other |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Restructuring and other costs, net | $ 1,313 | $ 849 | $ 1,384 | $ 10,592

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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