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

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- Definition

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

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No definition available.

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- Definition

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

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No definition available.

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- Definition

Number Of Incident Fatalities

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- Definition

Site Contingency, Number of Former Manufactured Gas Distribution

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No definition available.

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- Definition

Site Contingency, Number of Former Manufactured Gas Plant

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No definition available.

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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.

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No definition available.

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COMMITMENTS AND CONTINGENCIES - Contingencies (Details)	Dec. 17, 2013 fatality	Jun. 30, 2016 site	Sep. 30, 2013 site
Laclede Gas
Loss Contingencies [Line Items]
Number of former manufactured gas plant (MGP) sites in Missouri		3
Number of former manufactured gas plant (MGP) sites in Shrewsbury, Missouri		1
Number of former manufactured gas plant (MGP) sites in the City of St. Louis		2
Alagasco
Loss Contingencies [Line Items]
Number of former manufactured gas plant (MGP)		9
Number of former manufactured gas distribution		5
Number of incident fatalities \| fatality	1
Previous Ownership \| Laclede Gas
Loss Contingencies [Line Items]
Number of former manufactured gas plant (MGP)			19
Previous Ownership \| Missouri Gas Energy (MGE)
Loss Contingencies [Line Items]
Number of former manufactured gas plant (MGP)		7
Current Ownership \| Alagasco
Loss Contingencies [Line Items]
Number of former manufactured gas plant (MGP)		4
Number of former manufactured gas distribution		1