Short-term Borrowings - Schedule of Short-term Debt (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Short-term Debt
Short-term Debt	$ 210.8	$ 227.9
AmeriGas Propane Credit Agreement
Short-term Debt
Short-term Debt	109.0	116.9
UGI International Credit Agreement
Short-term Debt
Short-term Debt	8.0	6.5
UGI Utilities Credit Agreement
Short-term Debt
Short-term Debt	86.3	17.5
Energy Services Credit Agreement
Short-term Debt
Short-term Debt	0	57.0
Energy Services Accounts Receivable Securitization Facility
Short-term Debt
Short-term Debt	$ 7.5	$ 30.0