CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Operating Revenues:
Gas Utility	$ 573.8	$ 541.9
Gas Marketing and other	28.2	19.9
Total Operating Revenues	602.0	561.8
Gas Utility
Natural and propane gas	251.7	240.8
Other operation and maintenance expenses	102.5	99.0
Depreciation and amortization	43.7	40.3
Taxes, other than income taxes	39.2	36.7
Total Gas Utility Operating Expenses	437.1	416.8
Gas Marketing and other	59.8	41.0
Total Operating Expenses	496.9	457.8
Operating Income	105.1	104.0
Other Income, Net	2.8	3.3
Interest Charges:
Interest on long-term debt	20.4	20.7
Other interest charges	5.5	3.7
Total Interest Charges	25.9	24.4
Income Before Income Taxes	82.0	82.9
Income Tax Expense (Benefit)	14.7	(33.1)
Net Income (Loss)	$ 67.3	$ 116.0
Weighted Average Number of Shares Outstanding:
Basic	50.6	48.2
Diluted	50.8	48.4
Basic Earnings Per Share	$ 1.33	$ 2.40
Diluted Earnings Per Share	$ 1.32	$ 2.39
Spire Alabama
Operating Revenues:
Gas Utility	$ 133.5	$ 120.8
Total Operating Revenues	133.5	120.8
Gas Utility
Natural and propane gas	59.5	49.0
Other operation and maintenance expenses	34.4	32.8
Depreciation and amortization	13.6	12.8
Taxes, other than income taxes	8.9	8.2
Total Operating Expenses	116.4	102.8
Operating Income	17.1	18.0
Other Income, Net	1.8	1.4
Interest Charges:
Interest on long-term debt	3.6	2.9
Other interest charges	1.5	1.1
Total Interest Charges	5.1	4.0
Income Before Income Taxes	13.8	15.4
Income Tax Expense (Benefit)	3.5	65.0
Net Income (Loss)	$ 10.3	$ (49.6)