DEBT (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Components of long-term debt

The components of long-term debt were as follows: 

(Dollars in millions)	March 31, 2015			December 31, 2014
Principal Value:
4.90% Notes due 2019 (the “2019 Notes”)	700.0			700.0
5.90% Notes due 2039	300.0			300.0
4.60% Notes due 2044 (the “2044 Notes”)	500.0			500.0
Sub-total	1,500.0			1,500.0
Adjustments to Principal Value:
Unamortized basis adjustment for settled interest rate swaps	8.4			8.8
Unamortized bond discount	(4.0		)	(4.0		)
Fair-value interest rate swaps	7.5			(0.9		)
Long-term debt	$	1,511.9		$	1,503.9

Components of interest expense-net

The components of interest expense-net were as follows: 

	Three Months Ended March 31,
(In millions)	2015			2014
Interest expense	$	16.4		$	14.8
Interest income	(2.6		)	(2.4		)
Interest expense-net	$	13.8		$	12.4