DEBT (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Components of long-term debt

The components of long-term debt were as follows: 

(Dollars in millions)	June 30, 2015			December 31, 2014
Principal Value:
4.90% Notes due 2019	$	700.0		$	700.0
5.90% Notes due 2039	300.0			300.0
4.60% Notes due 2044	500.0			500.0
Sub-total	1,500.0			1,500.0
Adjustments to Principal Value:
Unamortized basis adjustment for settled interest rate swaps	7.9			8.8
Unamortized bond discount	(3.9		)	(4.0		)
Fair-value interest rate swaps	2.2			(0.9		)
Long-term debt	$	1,506.2		$	1,503.9

Components of interest expense-net

The components of interest expense-net were as follows: 

	Three Months Ended June 30,						Six Months Ended June 30,
(In millions)	2015			2014			2015			2014
Interest expense	$	16.5		$	17.8		$	32.9		$	32.6
Interest income	(2.6		)	(2.5		)	(5.2		)	(4.9		)
Interest expense-net	$	13.9		$	15.3		$	27.7		$	27.7