Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

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

The carrying and fair values of these financial instruments are as follows:

	March 31, 2014				December 31, 2013
(dollars in millions)	Carrying Value		Fair Value		Carrying Value		Fair Value
Investment in CyrusOne	$	462.2	$	926.5	$	471.0	$	993.2
Long-term debt, including current portion*	2,157.6		2,254.9		2,162.7		2,248.3
*Excludes capital leases.