Summary of Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Inter-Company Transactions

In addition, Spire Missouri’s other transactions with affiliates included

	Three Months Ended December 31,
	2018		2017
Purchases of natural gas from Spire Marketing	$	39.8	$	22.3
Sales of natural gas to Spire Marketing		1.4		0.1
Transportation services received from Spire NGL Inc.		0.3		0.3

Schedule of capital expenditures excluded from statement of cash flow

Accrued capital expenditures, shown in the following table, are excluded from capital expenditures in the statements of cash flows until paid.

	December 31,		September 30,		December 31,
	2018		2018		2017
Spire	$	46.2	$	62.1	$	31.8
Spire Missouri		18.1		36.7		15.2
Spire Alabama		9.7		8.9		7.0