CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Operating Revenues:
Gas utility	$ 260.2	$ 214.0	$ 1,688.6	$ 1,283.6
Gas marketing and other	15.0	27.8	83.6	121.3
Total Operating Revenues	275.2	241.8	1,772.2	1,404.9
Gas utility
Natural and propane gas	57.7	49.3	844.8	696.4
Other operation and maintenance expenses	90.6	73.0	291.5	207.3
Depreciation and amortization	32.5	18.4	96.7	58.5
Taxes, other than income taxes	26.2	22.2	119.9	92.6
Total Gas Utility Operating Expenses	207.0	162.9	1,352.9	1,054.8
Gas marketing and other	32.2	54.2	138.3	175.3
Total Operating Expenses	239.2	217.1	1,491.2	1,230.1
Operating Income	36.0	24.7	281.0	174.8
Other Income and (Income Deductions)	0.5	(2.4)	2.6	(1.0)
Interest Charges:
Interest on long-term debt	16.3	8.6	50.0	26.9
Other interest charges	1.5	2.8	6.1	4.3
Total Interest Charges	17.8	11.4	56.1	31.2
Income Before Income Taxes	18.7	10.9	227.5	142.6
Income Tax Expense	4.6	(0.8)	71.9	43.1
Net Income	$ 14.1	$ 11.7	$ 155.6	$ 99.5
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	43.2	34.9	43.1	33.3
Diluted (in shares)	43.3	35.0	43.2	33.4
Basic Earnings Per Share of Common Stock (in dollars per share)	$ 0.32	$ 0.34	$ 3.59	$ 2.97
Diluted Earnings Per Share of Common Stock (in dollars per share)	0.32	0.33	3.59	2.97
Dividends Declared Per Share of Common Stock (in dollars per share)	$ 0.46	$ 0.44	$ 1.38	$ 1.32
Laclede Gas
Operating Revenues:
Gas utility	$ 187.5	$ 214.2	$ 1,265.6	$ 1,288.1
Gas marketing and other	0.0	0.0	0.0	0.1
Total Operating Revenues	187.5	214.2	1,265.6	1,288.2
Gas utility
Natural and propane gas	57.5	77.6	743.6	769.7
Other operation and maintenance expenses	54.3	73.3	188.7	208.0
Depreciation and amortization	20.7	18.4	61.4	58.5
Taxes, other than income taxes	20.5	22.2	92.0	92.6
Total Gas Utility Operating Expenses	153.0	191.5	1,085.7	1,128.8
Gas marketing and other	0.0	0.2	0.0	0.1
Total Operating Expenses	153.0	191.7	1,085.7	1,128.9
Operating Income	34.5	22.5	179.9	159.3
Other Income and (Income Deductions)	(0.2)	(2.2)	1.1	(1.2)
Interest Charges:
Interest on long-term debt	8.2	8.2	24.8	26.1
Other interest charges	0.4	0.8	2.6	2.3
Total Interest Charges	8.6	9.0	27.4	28.4
Income Before Income Taxes	25.7	11.3	153.6	129.7
Income Tax Expense	5.7	(0.7)	44.7	38.2
Net Income	20.0	12.0	108.9	91.5
Alagasco
Operating Revenues:
Gas utility	73.7	93.8	427.0	500.5
Total Operating Revenues	73.7	93.8	427.0	500.5
Gas utility
Natural and propane gas	15.7	38.5	158.5	218.6
Other operation and maintenance expenses	36.6	34.8	103.6	106.5
Depreciation and amortization	11.8	11.4	35.3	34.0
Taxes, other than income taxes	5.7	7.3	27.9	32.4
Total Operating Expenses	69.8	92.0	325.3	391.5
Operating Income	3.9	1.8	101.7	109.0
Other Income and (Income Deductions)	0.5	0.8	1.5	2.7
Interest Charges:
Interest on long-term debt	2.8	3.3	8.8	10.1
Other interest charges	0.5	0.4	1.8	1.5
Total Interest Charges	3.3	3.7	10.6	11.6
Income Before Income Taxes	1.1	(1.1)	92.6	100.1
Income Tax Expense	0.4	(0.5)	35.0	37.8
Net Income	$ 0.7	$ (0.6)	$ 57.6	$ 62.3