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Income Taxes - Summary of Major Tax Jurisdiction (Details) | 12 Months Ended
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Sep. 30, 2021
United States |
Income Tax Examination [Line Items] |
Open Years | 2017 2018 2019 2020 2021
Germany |
Income Tax Examination [Line Items] |
Open Years | 2015 2016 2017 2018 2019 2020 2021
France |
Income Tax Examination [Line Items] |
Open Years | 2018 2019 2020 2021
Japan |
Income Tax Examination [Line Items] |
Open Years | 2016 2017 2018 2019 2020 2021
Ireland |
Income Tax Examination [Line Items] |
Open Years | 2017 2018 2019 2020 2021

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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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- Definition Tax year that remains open to examination under enacted tax laws, in YYYY format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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