CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating Revenues:
Gas Utility	$ 530.6	$ 573.8
Gas Marketing and other	36.3	28.2
Total Operating Revenues	566.9	602.0
Gas Utility
Natural and propane gas	214.6	251.7
Other operation and maintenance expenses	106.0	102.5
Depreciation and amortization	46.4	43.7
Taxes, other than income taxes	37.9	39.2
Total Gas Utility Operating Expenses	404.9	437.1
Gas Marketing and other	59.7	59.8
Total Operating Expenses	464.6	496.9
Operating Income	102.3	105.1
Interest Expense, Net	26.7	25.9
Other Income, Net	5.7	2.8
Income Before Income Taxes	81.3	82.0
Income Tax Expense	14.3	14.7
Net Income	67.0	67.3
Provision for preferred dividends	3.7
Income allocated to participating securities	0.1	0.1
Net Income Available to Common Shareholders	$ 63.2	$ 67.2
Weighted Average Number of Common Shares Outstanding:
Basic	50.9	50.6
Diluted	51.1	50.8
Basic Earnings Per Common Share	$ 1.24	$ 1.33
Diluted Earnings Per Common Share	$ 1.24	$ 1.32
Spire Alabama
Operating Revenues:
Gas Utility	$ 126.2	$ 133.5
Total Operating Revenues	126.2	133.5
Gas Utility
Natural and propane gas	47.0	59.5
Other operation and maintenance expenses	35.2	34.4
Depreciation and amortization	14.3	13.6
Taxes, other than income taxes	8.8	8.9
Total Operating Expenses	105.3	116.4
Operating Income	20.9	17.1
Interest Expense, Net	5.4	5.1
Other Income, Net	2.2	1.8
Income Before Income Taxes	17.7	13.8
Income Tax Expense	4.5	3.5
Net Income	$ 13.2	$ 10.3