Revenue (Tables)

3 Months Ended

Dec. 31, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Revenue Disaggregated by Source and Customer Type

The following tables show revenue disaggregated by source and customer type.

	Three Months Ended December 31,
	2021			2020
Spire
Gas Utility:
Residential	$	342.0		$	349.9
Commercial and industrial		103.8			103.0
Transportation		31.2			32.2
Off-system and other incentive		4.8			9.3
Other customer revenue		3.6			2.2
Total revenue from contracts with customers		485.4			496.6
Changes in accrued revenue under alternative revenue programs		18.1			1.6
Total Gas Utility operating revenues		503.5			498.2
Gas Marketing		47.9			24.8
Other		16.6			16.7
Total before eliminations		568.0			539.7
Intersegment eliminations (see Note 9, Information by Operating Segment)		(12.6	)		(27.1	)
Total Operating Revenues	$	555.4		$	512.6

Spire Missouri
Residential	$	247.1	$	263.0
Commercial and industrial		68.2		69.9
Transportation		9.2		9.0
Off-system and other incentive		4.5		7.4
Other customer revenue		2.3		2.9
Total revenue from contracts with customers		331.3		352.2
Changes in accrued revenue under alternative revenue programs		16.6		3.3
Total Operating Revenues	$	347.9	$	355.5

Spire Alabama
Residential	$	80.1		$	69.2
Commercial and industrial		26.0			24.3
Transportation		19.4			20.5
Off-system and other incentive		0.4			2.0
Other customer revenue		0.8			(1.9	)
Total revenue from contracts with customers		126.7			114.1
Changes in accrued revenue under alternative revenue programs		(0.1	)		(0.5	)
Total Operating Revenues	$	126.6		$	113.6

Schedule of Gross Receipts Taxes

The expense amounts (shown in the table below) are reported gross in the “Taxes, other than income taxes” line in the statements of income, and corresponding revenues are reported in “Operating Revenues.”

	Three Months Ended December 31,
	2021		2020
Spire	$	21.9	$	21.7
Spire Missouri		14.9		15.2
Spire Alabama		5.7		5.3