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Derivative Instruments and Hedging Activities (Details) € in Millions, kWh in Millions, gal in Millions, MMBTU in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2015 EUR (€) gal | Sep. 30, 2014 EUR (€) gal | Sep. 30, 2015 USD ($) kWh MMBTU gal | Sep. 30, 2014 EUR (€) kWh MMBTU gal | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($)
Derivative |  |  |  |  |  |
Amount of net losses associated with interest rate hedges to be reclassified with interest rate hedges during the next 12 months |  |  |  |  | $ 2,500,000 |
Amount of net losses associated with currency rate risk to be reclassified into earnings during the next 12 months |  |  |  |  | 16,000,000 |
Restricted cash in brokerage accounts |  |  |  |  | 54,900,000 | $ 16,600,000
Commodity Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Net losses associated with commodity price risk hedges expected to be reclassified into earnings during the next twelve months |  |  |  |  | 0 |
Foreign Currency Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Maximum period of hedging (in months) |  |  | 30 months |  |  |
Underlying variable rate debt |  |  |  |  | 227,900,000 | 219,800,000
Interest Rate Swap |  |  |  |  |  |
Derivative |  |  |  |  |  |
Underlying variable rate debt | € | € 645.8 | € 401.1 |  | € 401.1 |  |
Interest Rate Swap | Interest Expense |  |  |  |  |  |
Derivative |  |  |  |  |  |
Loss on interest rate swaps |  |  | $ (9,000,000) |  |  |
Interest Rate Protection Agreements |  |  |  |  |  |
Derivative |  |  |  |  |  |
Underlying variable rate debt |  |  |  |  | 250,000,000 | 0
Lower remaining maturity range (in years) |  |  | 10 years |  |  |
Upper remaining maturity range (in years) |  |  | 30 years |  |  |
Cross Currency Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Underlying variable rate debt |  |  |  |  | $ 59,100,000 | $ 52,000,000
Propane | Commodity Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Notional amount (in gallons) | gal | 516.3 | 344.5 | 2.0 | 1.3 |  |
Maximum period of hedging (in months) |  |  | 39 months |  |  |
Natural Gas | Commodity Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Maximum period of hedging (in months) |  |  | 39 months |  |  |
Natural Gas | Natural Gas Futures, Forward and Pipeline Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Notional Amount (units as noted) | MMBTU |  |  | 110.2 | 113.7 |  |
Natural Gas | Natural Gas Storage and Propane Storage NYMEX Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Notional Amount (units as noted) | MMBTU |  |  | 1.9 | 3.9 |  |
Electricity | Commodity Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Notional Amount (units as noted) | kWh |  |  | 359.1 | 232.1 |  |
Electricity | Commodity Contracts | Long |  |  |  |  |  |
Derivative |  |  |  |  |  |
Maximum period of hedging (in months) |  |  | 39 months |  |  |
Notional Amount (units as noted) | kWh |  |  | 474.3 | 394.4 |  |
Electricity | Commodity Contracts | Short |  |  |  |  |  |
Derivative |  |  |  |  |  |
Maximum period of hedging (in months) |  |  | 24 months |  |  |
Notional Amount (units as noted) | kWh |  |  | 297.9 | 206.6 |  |
Electricity | Electric Utility | Commodity Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Maximum period of hedging (in months) |  |  | 8 months |  |  |
UGI Utilities | Natural Gas | Gas Utility | Commodity Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Maximum period of hedging (in months) |  |  | 12 months |  |  |
Notional Amount (units as noted) | MMBTU |  |  | 18.9 | 16.9 |  |
UGI Utilities | Electricity | Electric Utility | Commodity Contracts |  |  |  |  |  |
Derivative |  |  |  |  |  |
Maximum period of hedging (in months) |  |  | 8 months |  |  |
Notional Amount (units as noted) | kWh |  |  | 331.0 | 237.0 |  |

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