Employee Retirement Plans (Tables)

12 Months Ended

Sep. 30, 2014

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Change in Pension Benefits and Other Postretirement Benefits Obligations

The following table provides a reconciliation of the projected benefit obligations (“PBOs”) of the U.S. Pension Plan and the Antargaz pension plans, the accumulated benefit obligations (“ABOs”) of our other postretirement benefit plans, plan assets, and the funded status of pension and other postretirement plans as of September 30, 2014 and 2013. ABO is the present value of benefits earned to date with benefits based upon current compensation levels. PBO is ABO increased to reflect estimated future compensation.

	Pension Benefits						Other Postretirement Benefits
	2014			2013			2014			2013
Change in benefit obligations:
Benefit obligations — beginning of year	$	516.5		$	573.4		$	19.7		$	24.7
Service cost	9.4			11.3			0.5			0.6
Interest cost	26.1			23.8			0.9			0.9
Actuarial (gain) loss	46.8			(72.7		)	1.3			(3.6		)
Plan amendments	—			1.0			—			(1.8		)
Foreign currency	(2.4		)	1.5			(0.3		)	0.2
Benefits paid	(22.8		)	(21.8		)	(0.8		)	(1.3		)
Benefit obligations — end of year	$	573.6		$	516.5		$	21.3		$	19.7
Change in plan assets:
Fair value of plan assets — beginning of year	$	415.3		$	369.9		$	11.7		$	11.2
Actual gain on plan assets	47.9			42.2			1.4			1.1
Foreign currency	(1.2		)	0.8			—			—
Employer contributions	20.2			24.2			0.5			0.7
Benefits paid	(22.8		)	(21.8		)	(0.8		)	(1.3		)
Fair value of plan assets — end of year	$	459.4		$	415.3		$	12.8		$	11.7
Funded status of the plans — end of year	$	(114.2	)	$	(101.2	)	$	(8.5	)	$	(8.0	)
Assets (liabilities) recorded in the balance sheet:
Assets in excess of liabilities — included in other noncurrent assets	$	—		$	—		$	4.0		$	3.2
Unfunded liabilities — included in other current liabilities	(1.1		)	(17.9		)	(0.1		)	(0.4		)
Unfunded liabilities — included in other noncurrent liabilities	(113.1		)	(83.3		)	(12.4		)	(10.8		)
Net amount recognized	$	(114.2	)	$	(101.2	)	$	(8.5	)	$	(8.0	)
Amounts recorded in UGI Corporation stockholders’ equity (pre-tax):
Prior service credit	$	(0.1	)	$	(0.1	)	$	(0.1	)	$	(0.1	)
Net actuarial loss (gain)	20.8			16.7			0.8			(0.4		)
Total	$	20.7		$	16.6		$	0.7		$	(0.5	)
Amounts recorded in regulatory assets and liabilities (pre-tax):
Prior service cost (credit)	$	1.9		$	2.2		$	(3.6	)	$	(4.3	)
Net actuarial loss	107.4			91.3			2.6			3.6
Total	$	109.3		$	93.5		$	(1.0	)	$	(0.7	)

Actuarial Assumptions for Domestic Plans

The expected rate of return on assets assumption is based on current and expected asset allocations as well as historical and expected returns on various categories of plan assets (as further described below).

	Pension Plan						Other Postretirement Benefits
	2014		2013		2012		2014		2013		2012
Weighted-average assumptions:
Discount rate - benefit obligations	4.60	%	5.20	%	4.20	%	4.60	%	5.10% - 5.40%		4.10% - 4.30%
Discount rate - benefit cost	5.20	%	4.20	%	5.30	%	5.10% - 5.40%		4.10% - 4.30%		5.30	%
Expected return on plan assets	7.75	%	7.75	%	7.75	%	5.00	%	5.00	%	5.20	%
Rate of increase in salary levels	3.25	%	3.25	%	3.25	%	3.25	%	3.25	%	3.25	%

Net Periodic Pension Expense and Other Postretirement Benefit Costs

Net periodic pension expense and other postretirement benefit cost includes the following components:

	Pension Benefits									Other Postretirement Benefits
	2014			2013			2012			2014			2013			2012
Service cost	$	9.4		$	11.3		$	9.3		$	0.5		$	0.6		$	0.4
Interest cost	26.1			23.8			25.1			0.9			0.9			1.1
Expected return on assets	(29.7		)	(27.8		)	(26.2		)	(0.6		)	(0.5		)	(0.5		)
Amortization of:
Prior service cost (benefit)	0.3			0.3			0.2			(0.5		)	(0.3		)	(0.3		)
Actuarial loss	7.7			15.1			8.4			—			0.4			0.3
Net benefit cost	13.8			22.7			16.8			0.3			1.1			1.0
Change in associated regulatory liabilities	—			—			—			3.7			3.3			3.2
Net benefit cost after change in regulatory liabilities	$	13.8		$	22.7		$	16.8		$	4.0		$	4.4		$	4.2

Expected Payments for Pension Benefits and Other Postretirement Welfare Benefits

Expected payments for pension and other postretirement welfare benefits are as follows:

	Pension Benefits		Other Postretirement Benefits
Fiscal 2015	$	25.6	$	1.1
Fiscal 2016	$	25.8	$	1.1
Fiscal 2017	$	27.2	$	1.0
Fiscal 2018	$	30.3	$	1.0
Fiscal 2019	$	32.6	$	1.0
Fiscal 2020 - 2024	$	175.1	$	4.9

Schedule of Health Care Cost Trend Rates

	2014		2013
Health care cost trend rate assumed for next year	7.0	%	7.5	%
Rate to which the cost trend rate is assumed to decline (ultimate trend rate)	5.0	%	5.0	%
Fiscal year that the rate reaches the ultimate trend rate	2019		2019

Pension Plans

The targets, target ranges and actual allocations for the U.S. Pension Plan and VEBA trust assets at September 30 are as follows:

U.S. Pension Plan

	Actual				Target Asset Allocation		Permitted Range
	2014		2013
Equity investments:
Domestic	55.6	%	57.5	%	52.5	%	40.0% - 65.0%
International	11.3	%	11.1	%	12.5	%	7.5% - 17.5%
Total	66.9	%	68.6	%	65.0	%	60.0% - 70.0%
Fixed income funds & cash equivalents	33.1	%	31.4	%	35.0	%	30.0% - 40.0%
Total	100.0	%	100.0	%	100.0	%

VEBA

	Actual				Target Asset Allocation		Permitted Range
	2014		2013
Domestic equity investments	67.9	%	65.6	%	65.0	%	60.0% - 70.0%
Fixed income funds & cash equivalents	32.1	%	34.4	%	35.0	%	30.0% - 40.0%
Total	100.0	%	100.0	%	100.0	%

Fair Value of U.S. Pension Plan and VEBA Trust Assets

The fair values of the U.S. Pension Plan and VEBA trust assets by asset class and level within the fair value hierarchy, as described in Note 2, as of September 30, 2014 and 2013 are as follows:

	U.S. Pension Plan
	Level 1		Level 2		Level 3		Total
September 30, 2014:
Domestic equity investments:
S&P 500 Index equity mutual funds	$	152.6	$	—	$	—	$	152.6
Small and midcap equity mutual funds	41.4		—		—		41.4
Smallcap common stocks	9.3		—		—		9.3
UGI Corporation Common Stock	42.5		—		—		42.5
Total domestic equity investments	245.8		—		—		245.8
International index equity mutual funds	49.9		—		—		49.9
Fixed income investments:
Bond index mutual funds	141.0		—		—		141.0
Cash equivalents	—		5.7		—		5.7
Total fixed income investments	141.0		5.7		—		146.7
Total	$	436.7	$	5.7	$	—	$	442.4
September 30, 2013:
Domestic equity investments:
S&P 500 Index equity mutual funds	$	141.8	$	—	$	—	$	141.8
Small and midcap equity mutual funds	54.5		—		—		54.5
UGI Corporation Common Stock	32.6		—		—		32.6
Total domestic equity investments	228.9		—		—		228.9
International index equity mutual funds	44.4		—		—		44.4
Fixed income investments:
Bond index mutual funds	120.9		—		—		120.9
Cash equivalents	—		4.0		—		4.0
Total fixed income investments	120.9		4.0		—		124.9
Total	$	394.2	$	4.0	$	—	$	398.2

	VEBA
	Level 1		Level 2		Level 3		Total
September 30, 2014:
S&P 500 Index equity mutual fund	$	8.7	$	—	$	—	$	8.7
Bond index mutual fund	3.7		—		—		3.7
Cash equivalents	—		0.4		—		0.4
Total	$	12.4	$	0.4	$	—	$	12.8
September 30, 2013:
S&P 500 Index equity mutual fund	$	7.7	$	—	$	—	$	7.7
Bond index mutual fund	3.8		—		—		3.8
Cash equivalents	—		0.2		—		0.2
Total	$	11.5	$	0.2	$	—	$	11.7