Employee Retirement Plans (Tables)

12 Months Ended

Sep. 30, 2015

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 UGI France 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, 2015 and 2014. 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
	2015			2014			2015			2014
Change in benefit obligations:
Benefit obligations — beginning of year	$	573.6		$	516.5		$	21.3		$	19.7
Service cost	10.0			9.4			0.7			0.5
Interest cost	25.5			26.1			0.8			0.9
Actuarial loss (gain)	14.4			46.8			(2.7		)	1.3
Plan amendments	(0.6		)	—			—			—
Curtailment	(0.8		)	—			—			—
Totalgaz acquisition	21.3			—			6.8			—
Foreign currency	(4.4		)	(2.4		)	(0.7		)	(0.3		)
Benefits paid	(24.3		)	(22.8		)	(0.8		)	(0.8		)
Benefit obligations — end of year	$	614.7		$	573.6		$	25.4		$	21.3
Change in plan assets:
Fair value of plan assets — beginning of year	$	459.4		$	415.3		$	12.8		$	11.7
Actual gain (loss) on plan assets	1.1			47.9			(0.1		)	1.4
Foreign currency	(0.4		)	(1.2		)	—			—
Employer contributions	11.9			20.2			0.6			0.5
Totalgaz acquisition	6.1			—			—			—
Benefits paid	(24.3		)	(22.8		)	(0.8		)	(0.8		)
Fair value of plan assets — end of year	$	453.8		$	459.4		$	12.5		$	12.8
Funded status of the plans — end of year	$	(160.9	)	$	(114.2	)	$	(12.9	)	$	(8.5	)
Assets (liabilities) recorded in the balance sheet:
Assets in excess of liabilities — included in other noncurrent assets	$	—		$	—		$	4.0		$	4.0
Unfunded liabilities — included in other current liabilities	—			(1.1		)	—			(0.1		)
Unfunded liabilities — included in other noncurrent liabilities	(160.9		)	(113.1		)	(16.9		)	(12.4		)
Net amount recognized	$	(160.9	)	$	(114.2	)	$	(12.9	)	$	(8.5	)
Amounts recorded in UGI Corporation stockholders’ equity (pre-tax):
Prior service credit	$	(0.6	)	$	(0.1	)	$	(0.1	)	$	(0.1	)
Net actuarial loss	22.5			20.8			0.7			0.8
Total	$	21.9		$	20.7		$	0.6		$	0.7
Amounts recorded in regulatory assets and liabilities (pre-tax):
Prior service cost (credit)	$	1.6		$	1.9		$	(2.9	)	$	(3.6	)
Net actuarial loss	138.4			107.4			2.3			2.6
Total	$	140.0		$	109.3		$	(0.6	)	$	(1.0	)

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
	2015		2014		2013		2015		2014		2013
Weighted-average assumptions:
Discount rate - benefit obligations	4.60	%	4.60	%	5.20	%	4.70	%	4.60	%	5.10% - 5.40%
Discount rate - benefit cost	4.60	%	5.20	%	4.20	%	4.60	%	5.10% - 5.40%		4.10% - 4.30%
Expected return on plan assets	7.75	%	7.75	%	7.75	%	5.00	%	5.00	%	5.00	%
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
	2015			2014			2013			2015			2014			2013
Service cost	$	10.0		$	9.4		$	11.3		$	0.7		$	0.5		$	0.6
Interest cost	25.5			26.1			23.8			0.8			0.9			0.9
Expected return on assets	(32.2		)	(29.7		)	(27.8		)	(0.6		)	(0.6		)	(0.5		)
Curtailment gain	(0.8		)	—			—			—			—			—
Amortization of:
Prior service cost (benefit)	0.3			0.3			0.3			(0.5		)	(0.5		)	(0.3		)
Actuarial loss	10.0			7.7			15.1			0.1			—			0.4
Net benefit cost	12.8			13.8			22.7			0.5			0.3			1.1
Change in associated regulatory liabilities	—			—			—			3.7			3.7			3.3
Net benefit cost after change in regulatory liabilities	$	12.8		$	13.8		$	22.7		$	4.2		$	4.0		$	4.4

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 2016	$	27.5	$	1.2
Fiscal 2017	$	28.1	$	1.1
Fiscal 2018	$	29.2	$	1.1
Fiscal 2019	$	32.3	$	1.1
Fiscal 2020	$	36.1	$	1.1
Fiscal 2021 - 2025	$	183.1	$	5.5

Schedule of Health Care Cost Trend Rates

The assumed domestic health care cost trend rates at September 30 are as follows:

	2015		2014
Health care cost trend rate assumed for next year	7.5	%	7.0	%
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	2026		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
	2015		2014
Equity investments:
Domestic	56.2	%	55.6	%	52.5	%	40.0% - 65.0%
International	10.2	%	11.3	%	12.5	%	7.5% - 17.5%
Total	66.4	%	66.9	%	65.0	%	60.0% - 70.0%
Fixed income funds & cash equivalents	33.6	%	33.1	%	35.0	%	30.0% - 40.0%
Total	100.0	%	100.0	%	100.0	%

VEBA

	Actual				Target Asset Allocation		Permitted Range
	2015		2014
Domestic equity investments	67.4	%	67.9	%	65.0	%	60.0% - 70.0%
Fixed income funds & cash equivalents	32.6	%	32.1	%	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, 2015 and 2014 are as follows:

	U.S. Pension Plan
	Level 1		Level 2		Level 3		Total
September 30, 2015:
Domestic equity investments:
S&P 500 Index equity mutual funds	$	147.3	$	—	$	—	$	147.3
Small and midcap equity mutual funds	40.6		—		—		40.6
Smallcap common stocks	10.7		—		—		10.7
UGI Corporation Common Stock	43.4		—		—		43.4
Total domestic equity investments	242.0		—		—		242.0
International index equity mutual funds	43.9		—		—		43.9
Fixed income investments:
Bond index mutual funds	140.8		—		—		140.8
Cash equivalents	—		4.1		—		4.1
Total fixed income investments	140.8		4.1		—		144.9
Total	$	426.7	$	4.1	$	—	$	430.8
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

	VEBA
	Level 1		Level 2		Level 3		Total
September 30, 2015:
S&P 500 Index equity mutual fund	$	8.4	$	—	$	—	$	8.4
Bond index mutual fund	3.8		—		—		3.8
Cash equivalents	—		0.3		—		0.3
Total	$	12.2	$	0.3	$	—	$	12.5
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