ACQUISITIONS - Alabama Gas Corporation (Details) (Alagasco, USD $) In Millions, unless otherwise specified	0 Months Ended
Sep. 02, 2014	Sep. 02, 2014
Alagasco
Business Acquisition [Line Items]
Percentage of voting interest acquired		100.00%
Total consideration transferred	$ 1,600.0
Payments to acquire businesses, net of cash acquired	$ 1,305.2

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

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- Definition

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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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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-Glossary Investing Activities

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