PENDING ACQUISITION (Details) - EnergySouth customer in Thousands, $ in Millions	2 Months Ended
Sep. 30, 2016 USD ($)	Jun. 30, 2016 customer
Alabama
Business Acquisition [Line Items]
Number of gas utility customers \| customer		85
Mississippi
Business Acquisition [Line Items]
Number of gas utility customers \| customer		19
Forecast
Business Acquisition [Line Items]
Ownership percent	100.00%
Purchase price	$ 344
Debt assumed	67
Cash consideration	$ 323

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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