SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

9 Months Ended

Sep. 30, 2014

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

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