Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Summary of Restricted Stock and Performance Unit Award Activity

The following table presents restricted stock and performance unit award activity for the three months ended March 31, 2015:



	Restricted Stock				Performance Units
	Shares		Weighted Average Grant- Date Fair Value		Shares	Weighted Average Grant- Date Fair Value
Outstanding at January 1, 2015	1,184,299		$	41.71	127,489	$	58.25
Vested	(17,368	)	53.66		—	—
Forfeitures	(2,781	)	71.19		—	—
Outstanding at March 31, 2015	1,164,150		$	40.91	127,489	$	58.25

Compensation Expense for Restricted Stock and Performance Units

Compensation expense for share-based awards recognized in the Consolidated Statements of Income, net of forfeitures, was as follows (dollars in millions):



	Three Months Ended March 31
	2015			2014
Restricted stock	$	3.6		$	3.3
Performance units	0.6			0.3
Total share-based compensation expense	4.2			3.6
Income tax benefit	(1.6		)	(1.4		)
Share-based compensation expense, net of tax benefit	$	2.6		$	2.2

Unrecognized Compensation For Restricted Stock and Performance Units

The unrecognized compensation expense for all share-based awards at March 31, 2015, was as follows (dollars in millions):



	March 31, 2015
	Unrecognized Compensation Expense		Remaining Weighted Average Recognition Period (in years)
Restricted stock	$	23.8	2.4
Performance units	5.0		2.9
Total unrecognized share-based compensation expense	$	28.8	2.5