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Debt - Schedule of Receivables Facility (Details) - Energy Services - Receivables Facility - Energy Services Receivables Facility - USD ($) $ in Millions | 12 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Short-term Debt |  |  |
Trade receivables transferred to ESFC during the year | $ 1,372.7 | $ 1,279.5 | $ 1,017.3
ESFC trade receivables sold to the bank during the year | 179.0 | 193.0 | 243.0
ESFC trade receivables - end of year | 54.5 | 65.0 | $ 44.8
Outstanding balance of trade receivables sold | $ 46.4 | $ 2.0 |

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- Definition Outstanding balance of ESFC trade receivables. + References No definition available. + Details
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- Definition Sale of trade receivables to consolidated special purpose subsidiary. + References No definition available. + Details
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- Definition Trade receivables sold to commercial paper conduit. + References No definition available. + Details
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- Definition Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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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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- Details
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- Details
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- Details
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