Site Contingency, Number of Former Manufactured Gas Distribution

No definition available.

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- Definition

Site Contingency, Number of Former Manufactured Gas Plant

+ References

No definition available.

+ Details

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- Definition

The number of manufactured gas plant (MGP) sites in Missouri posing potential environmental liability at St Louis.

+ References

No definition available.

+ Details

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

+ Details

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

No definition available.

+ Details

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- Definition

Number of pending claims pertaining to a loss contingency.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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COMMITMENTS AND CONTINGENCIES - Contingencies (Details)	12 Months Ended
COMMITMENTS AND CONTINGENCIES - Contingencies (Details)	Sep. 30, 2018 plaintiff lawsuit site	Sep. 30, 2013 site
Site Contingency [Line Items]
Number of lawsuits \| lawsuit	14
Number of plaintiffs \| plaintiff	1,600
Pending Litigation
Site Contingency [Line Items]
Number of lawsuits pending \| plaintiff	13
Spire Missouri
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP) sites in the City of St. Louis	2
Spire Missouri \| Previous Ownership
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)		19
Missouri Gas Energy (MGE) \| Previous Ownership
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	7
Spire Alabama
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	9
Number of former manufactured gas distribution	5
Spire Alabama \| Current Ownership
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	4
Number of former manufactured gas distribution	1