Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

For the three and nine months ended September 30, 2014 and 2013, we recorded share-based compensation and related tax benefits as follows:



	Three months ended September 30,						Nine months ended September 30,
(Dollars in thousands)	2014			2013			2014			2013
Share-based compensation expense	$	7,520		$	6,723		$	22,285		$	18,945
Income tax benefit related to share-based compensation expense	(2,676		)	(2,243		)	(7,351		)	(5,801		)

As of September 30, 2014, unrecognized share-based compensation expense was as follows:



(Dollars in thousands)	Unrecognized Expense		Average Expected Recognition Period - in Years
Stock options	$	16,282	2.64
Restricted stock units	35,324		2.56
Total unrecognized share-based compensation expense	$	51,606

The table below provides stock option information related to the 2006 Equity Incentive Plan for the nine months ended September 30, 2014:



	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life in Years	Aggregate Intrinsic Value of In-The- Money Options
Outstanding at December 31, 2013	1,514,159		$	55.27
Granted	239,383		108.27
Exercised	(283,498	)	47.56
Forfeited	(21,975	)	71.17
Outstanding at September 30, 2014	1,448,069		65.30		4.25	$	67,825,947
Vested and expected to vest at September 30, 2014	1,397,466		64.55		4.20	66,495,669
Exercisable at September 30, 2014	727,829		50.48		3.08	44,843,070

The table below provides information for restricted stock units under the 2006 Equity Incentive Plan for the nine months ended September 30, 2014:



	Shares		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2013	682,347		$	65.93
Granted	197,687		107.85
Vested	(200,856	)	64.05
Forfeited	(25,268	)	73.02
Nonvested at September 30, 2014	653,910		78.91