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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 3 Months Ended
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Dec. 31, 2016
Accounting Policies [Abstract] |
Schedule of goodwill by reportable segment | The changes in the carrying amount of goodwill by reportable segment are shown below, reflecting the effect of a $3.8 cash payment to Spire related to the EnergySouth acquisition, offset by immaterial adjustments to assets acquired.
| Gas Utility |  | Gas Marketing |  | Other |  | Total
Balance as of September 30, 2016 | $ | 210.2 |  |  | $ | — |  |  | $ | 954.7 |  |  | $ | 1,164.9 |
Adjustments related to the acquisition of EnergySouth | — |  |  | — |  |  | (3.5 | ) |  | (3.5 | )
Balance as of December 31, 2016 | $ | 210.2 |  |  | $ | — |  |  | $ | 951.2 |  |  | $ | 1,161.4 |
Schedule of gross receipts taxes | The following table presents gross receipts taxes recorded as revenues.
| Three Months Ended December 31,
| 2016 |  | 2015
Spire | $ | 19.4 |  |  | $ | 17.9 |
Laclede Gas | 14.1 |  |  | 13.9 |
Alagasco | 4.2 |  |  | 4.0 |
Schedule of inter-company transactions | Laclede Gas’ transactions with affiliates included:
| Three Months Ended December 31,
| 2016 |  | 2015
Purchases of natural gas from Spire Marketing | $ | 20.5 |  |  | $ | 13.2 |
Sales of natural gas to Spire Marketing | 3.6 |  |  | 0.7 |
Transportation services received from Laclede Pipeline Company | 0.3 |  |  | 0.3 |
Insurance services received from Laclede Insurance Risk Services | 1.1 |  |  | 0.2 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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