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Debt - Schedule of Long-term Debt Instruments (Details) - USD ($) | Jun. 27, 2016 | Jun. 30, 2016 | Jun. 30, 2015
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Remaining Amounts Outstanding at June 30, 2016 |  | $ 4,156,900,000 | $ 3,711,600,000
AmeriGas Propane |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amounts | $ 1,270,000,000 |  |
Amounts Repaid on June 27, 2016 | 917,100,000 |  |
Remaining Amounts Outstanding at June 30, 2016 |  | 352,900,000 |
AmeriGas Propane | Senior Notes | 6.50% Senior Notes due May 2021 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amounts | 270,000,000 |  |
Amounts Repaid on June 27, 2016 | 203,500,000 |  |
Remaining Amounts Outstanding at June 30, 2016 |  | 66,500,000 |
AmeriGas Propane | Senior Notes | 6.75% Senior Notes due May 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amounts | 550,000,000 |  |
Amounts Repaid on June 27, 2016 | 406,900,000 |  |
Remaining Amounts Outstanding at June 30, 2016 |  | 143,100,000 |
AmeriGas Propane | Senior Notes | 6.25% Senior Notes due August 2019 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amounts | 450,000,000 |  |
Amounts Repaid on June 27, 2016 | $ 306,700,000 |  |
Remaining Amounts Outstanding at June 30, 2016 |  | $ 143,300,000 |

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