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Debt (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2017 | Dec. 31, 2016 | Jun. 30, 2017 | Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Oct. 31, 2016
Line of Credit Facility |  |  |  |  |  |  |  |
Loss on early repayment of notes |  |  |  | $ 22,100,000 | $ 0 | $ 55,300,000 | $ 0 |
UGI Utilities | Senior Notes | Senior Notes due October 2046 |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt issued |  |  |  |  |  |  |  | $ 100,000,000
Stated interest rate |  |  |  |  |  |  |  | 4.12%
Amerigas Propane | Senior Notes | 5.50% Senior Notes due May 2025 | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt issued |  | $ 700,000,000 |  |  |  |  |  |
Stated interest rate |  | 5.50% |  |  |  |  |  |
Amerigas Propane | Senior Notes | 7.00% Senior Notes | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Stated interest rate |  | 7.00% |  |  |  |  |  |
Aggregate principal balance of notes redeemed |  | $ 500,000,000 |  |  |  |  |  |
Amerigas Propane | Senior Notes | 7.00% Senior Notes | Debt Instrument, Redemption, Period Two |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Stated interest rate | 7.00% |  |  |  |  |  |  |
Aggregate principal balance of notes redeemed | $ 378,300,000 |  |  |  |  |  |  |
Loss on early repayment of notes |  |  |  | 22,100,000 |  | 55,300,000 |  |
Redemption premium |  |  |  | 18,900,000 |  | 47,700,000 |  |
Write-off of unamortized debt issuance costs |  |  |  | 3,200,000 |  | 7,600,000 |  |
Amerigas Propane | Senior Notes | 7.00% Senior Notes | Debt Instrument, Redemption, Period Three |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Aggregate principal balance to be redeemed |  |  |  | $ 102,500,000 |  | $ 102,500,000 |  |
Amerigas Propane | Senior Notes | 7.00% Senior Notes | Debt Instrument, Redemption, Period Three | Scenario, Forecast |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Loss on early repayment of notes |  |  | $ 5,000,000 |  |  |  |  |
Amerigas Propane | Senior Notes | 5.75% Senior Notes Due May 2027 [Member] | Debt Instrument, Redemption, Period Two |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt issued | $ 525,000,000 |  |  |  |  |  |  |
Stated interest rate | 5.75% |  |  |  |  |  |  |

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