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Supplemental Cash Flow Information - Additional Information (Details) - USD ($) $ in Millions | Sep. 30, 2019 | Sep. 30, 2018
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Statement of Cash Flows [Abstract] |  |
Transition tax on foreign earnings, current | $ 14.4 | $ 33.9

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- Definition Tax Cuts Jobs Act Of 2017, Transition Tax For Accumulated Foreign Earnings, Liability, Current + References No definition available. + Details
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- References No definition available. + Details
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