CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Operating Revenues	$ 880.9	$ 1,104.9	$ 1,436.3	$ 1,617.5
Operating Expenses:
Natural gas	392.0	619.1	641.2	800.3
Operation and maintenance	113.2	119.0	229.6	230.6
Depreciation and amortization	58.9	51.5	115.8	102.3
Taxes, other than income taxes	71.6	57.9	109.2	94.0
Total Operating Expenses	635.7	847.5	1,095.8	1,227.2
Operating Income	245.2	257.4	340.5	390.3
Interest Expense, Net	27.5	25.8	56.1	51.5
Other (Expense) Income, Net	(3.4)	1.8	4.0	6.1
Income Before Income Taxes	214.3	233.4	288.4	344.9
Income Tax Expense	40.7	46.0	59.1	68.6
Net Income	173.6	187.4	229.3	276.3
Provision for preferred dividends	3.7	3.7	7.4	7.4
Income allocated to participating securities	0.2	0.3	0.3	0.4
Net Income Available to Common Shareholders	$ 169.7	$ 183.4	$ 221.6	$ 268.5
Weighted Average Number of Common Shares Outstanding:
Basic	51.8	51.6	51.7	51.6
Diluted	51.9	51.7	51.8	51.7
Basic Earnings Per Common Share	$ 3.27	$ 3.56	$ 4.28	$ 5.21
Diluted Earnings Per Common Share	$ 3.27	$ 3.55	$ 4.28	$ 5.20
Spire Alabama
Operating Revenues	$ 204.1	$ 222.6	$ 330.7	$ 336.2
Operating Expenses:
Natural gas	52.1	69.8	97.6	104.9
Operation and maintenance	32.9	33.7	67.4	66.5
Depreciation and amortization	16.7	15.2	33.2	30.2
Taxes, other than income taxes	14.5	14.7	23.5	22.9
Total Operating Expenses	116.2	133.4	221.7	224.5
Operating Income	87.9	89.2	109.0	111.7
Interest Expense, Net	4.7	5.3	9.8	10.0
Other (Expense) Income, Net	0.1	0.7	0.5	1.4
Income Before Income Taxes	83.3	84.6	99.7	103.1
Income Tax Expense	20.9	21.3	25.1	26.1
Net Income	$ 62.4	$ 63.3	$ 74.6	$ 77.0