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Inventories (Tables) | 6 Months Ended
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Mar. 31, 2014
Inventory Disclosure [Abstract] |
Components of Inventories | Inventories comprise the following:
|  | March 31, 2014 |  | September 30, 2013 |  | March 31, 2013
Non-utility LPG and natural gas |  | $ | 251.4 |  |  | $ | 230.0 |  |  | $ | 220.3 |
Gas Utility natural gas |  | 7.5 |  |  | 78.9 |  |  | 5.4 |
Materials, supplies and other |  | 65.5 |  |  | 56.6 |  |  | 66.7 |
Total inventories |  | $ | 324.4 |  |  | $ | 365.5 |  |  | $ | 292.4 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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