EMPLOYEE STOCK BENEFIT PLANS

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

EMPLOYEE STOCK BENEFIT PLANS

EMPLOYEE STOCK BENEFIT PLANS

The following table summarizes stock-based compensation expense related to stock options, performance share awards and restricted stock units.

	Three Months Ended March 31,
(Dollars in millions)	2016			2015
Stock options	$	2.1		$	1.9
Performance share awards	2.3			4.4
Restricted stock units	3.4			2.7
Total pre-tax stock-based compensation expense	$	7.8		$	9.0
Net tax benefit related to stock-based compensation expense	$	(2.7	)	$	(3.1	)

During the three months ended March 31, 2016, the Company granted the following awards: 

(Shares in millions)	Options/Shares Granted	Weighted- Average Grant Date Fair Value
Stock options	1.1	$	13.87
Performance share awards	0.2	$	70.48
Restricted stock units	0.3	$	73.76

As of March 31, 2016, the Company had the following award expense yet to be recognized: 

(Dollars in millions)	Unrecognized Compensation Expense		Expected Weighted-Average Period to be Recognized (years)
Stock options	$	20.3	2.1
Performance share awards	10.6		1.5
Restricted stock units	45.5		2.8
	$	76.4