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COMMON EQUITY (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Changes to issued common stock
Common Stock, Shares, Issued, Balance at Beginning of the Period	78,287,906
Shares issued - Stock-based compensation	1,144,495
Shares issued - Stock Investment Plan	219,847
Shares issued - Rabbi trust Shares	105,467
Common Stock, Shares, Issued, Balance at End of the Period	79,757,715
Value of stock issuance	$ 71.1

Number of shares issued during the period as a result of an employee stock purchase plan.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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