MISCELLANEOUS INCOME (Tables)

12 Months Ended

Dec. 31, 2013

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense)

Total miscellaneous income was as follows:

(Millions)	2013		2012		2011
Earnings from equity method investments	$	11.3	$	11.0	$	10.7
Equity portion of AFUDC	9.9		2.6		0.6
Coal transportation services	1.2		0.9		0.8
Key executive life insurance for retired employees	1.1		1.1		1.1
Other	—		0.1		—
Total miscellaneous income	$	23.5	$	15.7	$	13.2