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.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Site Contingency, Number of Former Manufactured Gas Distribution

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- Definition

Site Contingency, Number of Former Manufactured Gas Plant

+ References

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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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COMMITMENTS AND CONTINGENCIES - Contingencies (Details) - site	Sep. 30, 2015	Sep. 30, 2013
Laclede Gas
Site Contingency [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
Laclede Gas \| 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
Alagasco
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	9
Number of former manufactured gas distribution	5
Alagasco \| Current Ownership
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	4
Number of former manufactured gas distribution	1