Income Taxes - Schedule of Tax Years Open for Examination Under Applicable Statutes (Details)	12 Months Ended
	Sep. 30, 2020
Earliest Tax Year | Australia
Income Tax Examination [Line Items]
Open tax year	2013
Earliest Tax Year | Belgium
Income Tax Examination [Line Items]
Open tax year	2018
Earliest Tax Year | Brazil
Income Tax Examination [Line Items]
Open tax year	2015
Earliest Tax Year | Canada
Income Tax Examination [Line Items]
Open tax year	2016
Earliest Tax Year | China
Income Tax Examination [Line Items]
Open tax year	2015
Earliest Tax Year | Mexico
Income Tax Examination [Line Items]
Open tax year	2016
Earliest Tax Year | Romania
Income Tax Examination [Line Items]
Open tax year	2014
Earliest Tax Year | Netherlands
Income Tax Examination [Line Items]
Open tax year	2014
Earliest Tax Year | United Kingdom
Income Tax Examination [Line Items]
Open tax year	2017
Earliest Tax Year | Other Non-U.S. Countries
Income Tax Examination [Line Items]
Open tax year	2014
Earliest Tax Year | United States | Federal | General
Income Tax Examination [Line Items]
Open tax year	2016
Earliest Tax Year | United States | Federal | Limited Scope
Income Tax Examination [Line Items]
Open tax year	2012
Earliest Tax Year | United States | State and Local Jurisdiction
Income Tax Examination [Line Items]
Open tax year	2006
Latest Tax Year | Australia
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | Belgium
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | Brazil
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | Canada
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | China
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | Mexico
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | Romania
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | Netherlands
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | United Kingdom
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | Other Non-U.S. Countries
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | United States | Federal | General
Income Tax Examination [Line Items]
Open tax year	2020
Latest Tax Year | United States | Federal | Limited Scope
Income Tax Examination [Line Items]
Open tax year	2016
Latest Tax Year | United States | State and Local Jurisdiction
Income Tax Examination [Line Items]
Open tax year	2020