Revenue (Tables)

3 Months Ended

Dec. 31, 2019

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,
	2019			2018
Spire
Gas Utility:
Residential	$	368.4		$	393.6
Commercial & industrial		122.5			130.3
Transportation		31.0			29.5
Off-system & other incentive		9.4			14.9
Other customer revenue		2.4			12.7
Total revenue from contracts with customers		533.7			581.0
Changes in accrued revenue under alternative revenue programs		(3.0	)		(5.8	)
Total Gas Utility operating revenues		530.7			575.2
Gas Marketing:
Revenue from contracts with retail customers		32.3			25.8
Revenue from wholesale derivative contracts		—			—
Total Gas Marketing operating revenues		32.3			25.8
Other		11.1			5.4
Total before eliminations		574.1			606.4
Intersegment eliminations (see Note 10, Information by Operating Segment)		(7.2	)		(4.4	)
Total Operating Revenues	$	566.9		$	602.0

Spire Missouri
Residential	$	275.9		$	302.1
Commercial & industrial		80.8			89.1
Transportation		9.0			9.0
Off-system & other incentive		9.4			14.9
Other customer revenue		0.5			2.6
Total revenue from contracts with customers		375.6			417.7
Changes in accrued revenue under alternative revenue programs		(1.6	)		(4.5	)
Total Operating Revenues	$	374.0		$	413.2

Spire Alabama
Residential	$	74.3		$	75.4
Commercial & industrial		31.3			31.4
Transportation		19.6			18.2
Other customer revenue		1.6			9.6
Total revenue from contracts with customers		126.8			134.6
Changes in accrued revenue under alternative revenue programs		(0.6	)		(1.1	)
Total Operating Revenues	$	126.2		$	133.5

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,
	2019		2018
Spire	$	24.6	$	25.9
Spire Missouri		17.2		18.5
Spire Alabama		6.2		6.3