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Restructuring and Other Charges - Schedule of Restructuring Accrual Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Restructuring Reserve [Roll Forward] |  |  |
Restructuring reserve, beginning balance | $ 5,486 | $ 9,987 | $ 31,086
Charges (credits) to operations, net | 32,410 | 2,136 | 26,427
Cash disbursements | (40,800) | (6,681) | (31,502)
Other non-cash |  |  | 164
Foreign exchange impact | (583) | 44 | 274
Restructuring reserve, ending balance | 935 | 5,486 | 9,987
Accounting Standards Update 2016-02 |  |  |
Restructuring Reserve [Roll Forward] |  |  |
ASC 842 adoption |  |  | (16,462)
Employee Severance and Related Benefits |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring reserve, beginning balance | 1,981 | 3,992 | 298
Charges (credits) to operations, net | 32,971 | 1,887 | 30,690
Cash disbursements | (34,023) | (3,925) | (27,256)
Other non-cash |  |  | 0
Foreign exchange impact | (583) | 27 | 260
Restructuring reserve, ending balance | 346 | 1,981 | 3,992
Employee Severance and Related Benefits | Accounting Standards Update 2016-02 |  |  |
Restructuring Reserve [Roll Forward] |  |  |
ASC 842 adoption |  |  | 0
Facility Closures |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring reserve, beginning balance | 3,505 | 5,995 | 30,788
Charges (credits) to operations, net | (561) | 249 | (4,263)
Cash disbursements | (2,355) | (2,756) | (4,246)
Other non-cash |  |  | 164
Foreign exchange impact | 0 | 17 | 14
Restructuring reserve, ending balance | 589 | $ 3,505 | 5,995
Facility Closures | Accounting Standards Update 2016-02 |  |  |
Restructuring Reserve [Roll Forward] |  |  |
ASC 842 adoption |  |  | $ (16,462)
PTC Restructuring Plan 2022 |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Cash disbursements | $ (36,378) |  |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 4: 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)(1)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + 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 expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: 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 Reference 2: 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 + Details
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