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MISCELLANEOUS INCOME (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Income and Expenses [Abstract]
Equity portion of AFUDC	$ 3.6	$ 1.6
Earnings from equity method investments	2.8	3.0
Other	0.9	0.4
Total miscellaneous income	$ 7.3	$ 5.0

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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