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STOCKHOLDER'S EQUITY (Tables) | 12 Months Ended
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Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Schedule of Company's equity units | Selected information about the Company’s Equity Units is presented below:
Issuance Date |  | Units Issued (Millions) |  | Total Net Proceeds |  | Total Long-term Debt |  | RSN Annual Interest Rate |  | Stock Purchase Contract Annual Rate |  | Stock Purchase Contract Liability
6/11/2014 |  | 2.875 |  | $139.4 |  | $143.8 |  | 2.00% |  | 4.75% |  | $19.7
Schedule of accumulated other comprehensive income (loss) | The components of accumulated other comprehensive income (loss), net of income taxes, recognized in the Consolidated Balance Sheets at September 30 were as follows:
$ Millions |  | Net Unrealized Gains (Losses) on Cash Flow Hedges |  | Defined Benefit Pension and Other Postretirement Benefit Plans |  | Total
Balance at September 30, 2012 |  | $ | (1.9 | ) |  | $ | (2.2 | ) |  | $ | (4.1 | )
Current-period change |  | 3.3 |  |  | — |  |  | 3.3 |
Balance at September 30, 2013 |  | 1.4 |  |  | (2.2 | ) |  | (0.8 | )
Current-period change |  | (1.2 | ) |  | 0.3 |  |  | (0.9 | )
Balance at September 30, 2014 |  | $ | 0.2 |  |  | $ | (1.9 | ) |  | $ | (1.7 | )
Laclede Gas |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Schedule of accumulated other comprehensive income (loss) | The components of accumulated other comprehensive income (loss), net of income taxes, recognized in the Balance Sheets at September 30 were as follows:
$ Millions |  | Net Unrealized Gains (Losses) on Cash Flow Hedges |  | Defined Benefit Pension and Other Postretirement Benefit Plans |  | Total
Balance at September 30, 2012 |  | $ | 0.1 |  |  | $ | (2.2 | ) |  | $ | (2.1 | )
Current-period change |  | — |  |  | — |  |  | — |
Balance at September 30, 2013 |  | 0.1 |  |  | (2.2 | ) |  | (2.1 | )
Current-period change |  | (0.1 | ) |  | 0.3 |  |  | 0.2 |
Balance at September 30, 2014 |  | $ | — |  |  | $ | (1.9 | ) |  | $ | (1.9 | )

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- Definition Tabular disclosure of an entity's capital units or capital shares, including the value of capital units or capital shares, units authorized, units outstanding and other information necessary to a fair presentation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.16) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 + Details
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