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v3.20.2

Summary of Significant Accounting Policies - Principles of Consolidation (Details) | 12 Months Ended
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Sep. 30, 2020
Accounting Policies [Abstract] |
Ownership interests in certain subsidiaries under equity method investment, maximum | 100.00%

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- Definition Ownership interests in certain subsidiaries under equity method investment, maximum + References No definition available. + Details
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