Interim Financial Information (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2019

Quarterly Financial Information [Line Items]

Schedule of Quarterly Financial Information

Three Months Ended	Dec. 31			March 31		June 30			Sept. 30
Fiscal Year 2019
Total Operating Revenues	$	602.0		$	803.5	$	321.3		$	225.6
Operating Income (Loss)		105.1			209.5		13.3			(25.6	)
Net Income (Loss)		67.3			154.6		(3.0	)		(34.3	)
Basic Earnings (Loss) Per Share of Common Stock	$	1.33		$	3.05	$	(0.09	)	$	(0.75	)
Diluted Earnings (Loss) Per Share of Common Stock	$	1.32		$	3.04	$	(0.09	)	$	(0.74	)
Fiscal Year 2018
Total Operating Revenues	$	561.8		$	813.4	$	350.6		$	239.2
Operating Income (Loss)		104.0			150.1		58.9			(18.9	)
Net Income (Loss)		116.0			98.2		25.9			(25.9	)
Basic Earnings (Loss) Per Share of Common Stock	$	2.40		$	2.03	$	0.52		$	(0.51	)
Diluted Earnings (Loss) Per Share of Common Stock	$	2.39		$	2.03	$	0.52		$	(0.51	)
Reconciliation of Previously Reported 2018 Results	Dec. 31			March 31		June 30			Sept. 30
Operating Income (Loss) - as originally reported in Forms 10-Q	$	105.1		$	141.8	$	52.4		$	(19.6	)
Reclassification of certain pension and other postretirement costs		(1.1	)		8.3		6.5			0.7
Operating Income (Loss) - as currently reported	$	104.0		$	150.1	$	58.9		$	(18.9	)
The reclassification is due to the implementation of ASU 2017-07. The non-service cost components of pension and other postretirement benefits expenses were reclassified from Operation and Maintenance Expenses, above the Operating Income line, to Other Income (Deductions), Net, below the Operating Income line. There was no impact on Net Income.

Spire Missouri

Quarterly Financial Information [Line Items]

Schedule of Quarterly Financial Information

Three Months Ended	Dec. 31		March 31		June 30		Sept. 30
Fiscal Year 2019
Total Operating Revenues	$	413.2	$	556.6	$	191.4	$	130.6
Operating Income		71.4		102.4		12.2		(11.2	)
Net Income (Loss)		51.2		80.0		1.1		(17.3	)
Fiscal Year 2018
Total Operating Revenues	$	392.3	$	533.2	$	215.5	$	144.6
Operating Income (Loss)		75.0		61.6		26.7		(4.8	)
Net Income (Loss)		89.4		38.4		11.5		(10.0	)
Reconciliation of Previously Reported 2018 Results	Dec. 31		March 31		June 30		Sept. 30
Operating Income (Loss) - as originally reported in Forms 10-Q	$	74.8	$	52.1	$	21.0	$	(6.6	)
Reclassification of certain pension and other postretirement costs		0.2		9.5		5.7		1.8
Operating Income (Loss) - as currently reported	$	75.0	$	61.6	$	26.7	$	(4.8	)
The reclassification is due to the implementation of ASU 2017-07. The non-service cost components of pension and other postretirement benefits expenses were reclassified from Operation and Maintenance Expenses, above the Operating Income line, to Other Income (Deductions), Net, below the Operating Income line. There was no impact on Net Income.

Spire Alabama

Quarterly Financial Information [Line Items]

Schedule of Quarterly Financial Information

Three Months Ended	Dec. 31			March 31			June 30		Sept. 30
Fiscal Year 2019
Total Operating Revenues	$	133.5		$	180.4		$	90.8	$	60.8
Operating Income (Loss)		17.1			79.6			11.1		(12.3	)
Net Income (Loss)		10.3			56.7			5.6		(12.3	)
Fiscal Year 2018
Total Operating Revenues	$	120.8		$	218.3		$	100.3	$	61.3
Operating Income (Loss)		18.0			77.1			13.3		(11.8	)
Net (Loss) Income		(49.6	)		55.6			6.3		(11.0	)
Reconciliation of Previously Reported 2018 Results	Dec. 31			March 31			June 30		Sept. 30
Operating Income (Loss) - as originally reported in Forms 10-Q	$	19.0		$	78.2		$	12.3	$	(10.9	)
Reclassification of certain pension and other postretirement costs		(1.0	)		(1.1	)		1.0		(0.9	)
Operating Income (Loss) - as currently reported	$	18.0		$	77.1		$	13.3	$	(11.8	)
The reclassification is due to the implementation of ASU 2017-07. The non-service cost components of pension and other postretirement benefits expenses were reclassified from Operation and Maintenance Expenses, above the Operating Income line, to Other Income (Deductions), Net, below the Operating Income line. There was no impact on Net Income.