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Inventories (Tables) | 9 Months Ended
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Jun. 30, 2013
Inventory Disclosure [Abstract] |
Inventories | Inventories comprise the following:
|  | June 30, 2013 |  | September 30, 2012 |  | June 30, 2012
Non-utility LPG and natural gas |  | $ | 194.6 |  |  | $ | 240.7 |  |  | $ | 220.1 |
Gas Utility natural gas |  | 43.1 |  |  | 57.7 |  |  | 27.8 |
Materials, supplies and other |  | 66.3 |  |  | 58.5 |  |  | 69.4 |
Total inventories |  | $ | 304.0 |  |  | $ | 356.9 |  |  | $ | 317.3 |

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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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