PREFERRED STOCK (Tables) (Preferred stock)

12 Months Ended

Dec. 31, 2014

Preferred stock

Preferred stock

Schedule of outstanding shares of preferred stock

Outstanding shares were as follows at December 31:

(Millions, except share amounts)	2014			2013
Series	Shares Outstanding	Carrying Value		Shares Outstanding	Carrying Value
5.00%	131,916	$	13.2	131,916	$	13.2
5.04%	29,983	3.0		29,983	3.0
5.08%	49,983	5.0		49,983	5.0
6.76%	150,000	15.0		150,000	15.0
6.88%	150,000	15.0		150,000	15.0
Total	511,882	$	51.2	511,882	$	51.2