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Restructuring and Other Costs, Net - Schedule of Accrual Activity Relating to Restructuring Reserves (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Restructuring Cost And Reserve [Line Items] |  |  |  |
Balance at September 30, 2021 |  |  | $ 5,035 |
Restructuring and other costs, net | $ 1,197 | $ 1,760 | 6,586 | $ 2,777
Non-cash adjustments |  |  | (4,549) |
Cash payments |  |  | (3,433) |
Foreign exchange impact on ending balance |  |  | (8) |
Balance at June 30, 2022 | 3,631 |  | 3,631 |
Personnel |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Balance at September 30, 2021 |  |  | 1,620 |
Restructuring and other costs, net | 1,278 |  | 1,528 | 381
Cash payments |  |  | (1,748) |
Foreign exchange impact on ending balance |  |  | 2 |
Balance at June 30, 2022 | 1,402 |  | 1,402 |
Facilities |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Balance at September 30, 2021 |  |  | 1,881 |
Restructuring and other costs, net | 154 | 447 | 521 | 1,012
Non-cash adjustments |  |  | (549) |
Cash payments |  |  | (61) |
Foreign exchange impact on ending balance |  |  | (10) |
Balance at June 30, 2022 | 1,782 |  | 1,782 |
Restructuring Subtotal |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Balance at September 30, 2021 |  |  | 3,501 |
Restructuring and other costs, net | 1,432 | 447 | 2,049 | 1,393
Non-cash adjustments |  |  | (549) |
Cash payments |  |  | (1,809) |
Foreign exchange impact on ending balance |  |  | (8) |
Balance at June 30, 2022 | 3,184 |  | 3,184 |
Other |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Balance at September 30, 2021 |  |  | 1,534 |
Restructuring and other costs, net | (235) | $ 1,313 | 4,537 | $ 1,384
Non-cash adjustments |  |  | (4,000) |
Cash payments |  |  | (1,624) |
Balance at June 30, 2022 | $ 447 |  | $ 447 |

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- Definition Proceeds from (payments) for restructuring. + References No definition available. + Details
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- Definition Restructuring charges (reversal). + References No definition available. + Details
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- Definition Restructuring reserve, settled without cash adjustment. + References No definition available. + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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