SUPPLEMENTAL CASH FLOW INFORMATION

9 Months Ended

Sep. 30, 2014

Supplemental Cash Flow Elements [Abstract]

Supplemental information concerning the Company’s cash flow activities was as follows:



	Nine Months Ended		Calendar Years Ended December 31,
($ Millions)	September 30, 2014		2013		2012
Interest paid, net of amount capitalized	$	9.6	$	13.5	$	13.5
Income taxes paid	20.4		23.1		16.8
Interest expense on affiliated company debt, net	—		—		0.3
Non-cash investing activities:
Accrued property, plant and equipment costs	5.0		5.5		3.5

Non cash activities related to capitalized depreciation, capitalized asset retirement obligation costs and allowance for funds used during construction were not significant for the transition period ended September 30, 2014 and the calendar years ended December 31, 2013 and 2012.