Information by Operating Segment (Tables)

9 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Schedule of operating segment information

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	301.4	$	18.4		$	1.5		$	—		$	321.3
Intersegment revenues		0.2		(0.1	)		3.1			(3.2	)		—
Total Operating Revenues		301.6		18.3			4.6			(3.2	)		321.3
Operating Expenses:
Gas Utility
Natural and propane gas		88.1		—			—			(12.6	)		75.5
Operation and maintenance		113.4		—			—			(2.2	)		111.2
Depreciation and amortization		45.1		—			—			—			45.1
Taxes, other than income taxes		29.7		—			—			—			29.7
Total Gas Utility Operating Expenses		276.3		—			—			(14.8	)		261.5
Gas Marketing and Other		—		25.3			9.6			11.6			46.5
Total Operating Expenses		276.3		25.3			9.6			(3.2	)		308.0
Operating Income (Loss)	$	25.3	$	(7.0	)	$	(5.0	)	$	—		$	13.3
Net Economic Earnings (Loss)	$	7.6	$	3.3		$	(5.9	)	$	—		$	5.0

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2018
Operating Revenues:
Revenues from external customers	$	334.8	$	14.4		$	1.4		$	—		$	350.6
Intersegment revenues		—		—			2.9			(2.9	)		—
Total Operating Revenues		334.8		14.4			4.3			(2.9	)		350.6
Operating Expenses:
Gas Utility
Natural and propane gas		117.9		—			—			(10.7	)		107.2
Operation and maintenance		101.4		—			—			(2.3	)		99.1
Depreciation and amortization		40.5		—			—			—			40.5
Taxes, other than income taxes		33.5		—			—			—			33.5
Total Gas Utility Operating Expenses		293.3		—			—			(13.0	)		280.3
Gas Marketing and Other		—		(7.2	)		8.5			10.1			11.4
Total Operating Expenses		293.3		(7.2	)		8.5			(2.9	)		291.7
Operating Income (Loss)	$	41.5	$	21.6		$	(4.2	)	$	—		$	58.9
Net Economic Earnings (Loss)	$	16.9	$	4.4		$	(6.1	)	$	—		$	15.2

	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	1,651.9	$	69.6	$	5.3		$	—		$	1,726.8
Intersegment revenues		1.7		—		9.0			(10.7	)		—
Total Operating Revenues		1,653.6		69.6		14.3			(10.7	)		1,726.8
Operating Expenses:
Gas Utility
Natural and propane gas		746.6		—		—			(82.0	)		664.6
Operation and maintenance		330.3		—		—			(7.1	)		323.2
Depreciation and amortization		133.2		—		—			—			133.2
Taxes, other than income taxes		126.3		—		—			—			126.3
Total Gas Utility Operating Expenses		1,336.4		—		—			(89.1	)		1,247.3
Gas Marketing and Other		—		47.3		25.9			78.4			151.6
Total Operating Expenses		1,336.4		47.3		25.9			(10.7	)		1,398.9
Operating Income (Loss)	$	317.2	$	22.3	$	(11.6	)	$	—		$	327.9
Net Economic Earnings (Loss)	$	220.7	$	17.8	$	(19.7	)	$	—		$	218.8
	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2018
Operating Revenues:
Revenues from external customers	$	1,667.3	$	55.3	$	3.2		$	—		$	1,725.8
Intersegment revenues		0.3		—		8.3			(8.6	)		—
Total Operating Revenues		1,667.6		55.3		11.5			(8.6	)		1,725.8
Operating Expenses:
Gas Utility
Natural and propane gas		784.5		—		—			(52.8	)		731.7
Operation and maintenance		339.8		—		—			(6.4	)		333.4
Depreciation and amortization		121.9		—		—			—			121.9
Taxes, other than income taxes		128.2		—		—			—			128.2
Total Gas Utility Operating Expenses		1,374.4		—		—			(59.2	)		1,315.2
Gas Marketing and Other		—		27.6		19.4			50.6			97.6
Total Operating Expenses		1,374.4		27.6		19.4			(8.6	)		1,412.8
Operating Income (Loss)	$	293.2	$	27.7	$	(7.9	)	$	—		$	313.0
Net Economic Earnings (Loss)	$	208.1	$	18.2	$	(16.0	)	$	—		$	210.3

The Company’s total assets by segment were as follows:

	June 30,			September 30,			June 30,
	2019			2018			2018
Total Assets:
Gas Utility	$	5,830.1		$	5,606.7		$	5,445.5
Gas Marketing		232.3			295.3			234.5
Other		2,537.4			2,508.0			2,135.9
Eliminations		(1,267.8	)		(1,566.4	)		(1,231.0	)
Total Assets	$	7,332.0		$	6,843.6		$	6,584.9

Schedule of reconciliation of consolidated net economic earnings to consolidated net income

The following table reconciles the Company’s net economic earnings to net income.

	Three Months Ended June 30,						Nine Months Ended June 30,
	2019			2018			2019			2018
Net Income	$	(3.0	)	$	25.9		$	218.9		$	240.1
Adjustments, pre-tax:
Missouri regulatory adjustments		—			—			—			30.6
Unrealized loss (gain) on energy-related derivatives		8.0			(16.0	)		(3.3	)		(3.4	)
Realized gain on economic hedges prior to the sale of the physical commodity		—			—			—			(0.3	)
Lower of cost or market inventory adjustments		2.7			—			2.7			—
Acquisition, divestiture and restructuring activities		—			3.3			0.4			7.0
Income tax effect of adjustments		(2.7	)		2.0			0.1			(9.7	)
Effect of the Tax Cuts and Jobs Act		—			—			—			(54.0	)
Net Economic Earnings	$	5.0		$	15.2		$	218.8		$	210.3