Subsequent Event - AmeriGas Refinancing (Details Textuals) (Refinancing of Debt [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
Jun. 30, 2011	Jul. 27, 2011
Subsequent Event [Line Items]
Subsequent event date	Jul. 27, 2011
Expected Loss on extinguishment of debt		$ 20.0
Expected reduction of net income		6.0
7 1/8% Senior Notes Due 2016 [Member]
Subsequent Event [Line Items]
Aggregate prinicipal amount outstanding 7 1/8% senior notes		350.0
Interest rate on notes		7.125%
% Senior Notes Due 2019 [Member]
Subsequent Event [Line Items]
Proceeds of the issuance of senior notes due 2019		$ 450.0
Interest rate on notes		6.25%

Expected Loss on extinguishment of debt.

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Expected reduction of net income to the Company.

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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Interest rate stated in the contractual debt agreement.

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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.

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Date of subsequent event occurrence or of indication that subsequent event occurred.

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