Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

The carrying and fair values of the Company's long-term debt are as follows:

	March 31, 2018				December 31, 2017
(dollars in millions)	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt, including current portion*	$	1,687.1	$	1,602.8	$	1,687.1	$	1,687.5
*Excludes capital leases and note issuance costs.