Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

For the three and nine months ended September 30, 2013 and 2012, we recorded share-based compensation and related tax benefits as follows:



	Three months ended September 30,						Nine months ended September 30,
(Dollars in thousands)	2013			2012			2013			2012
Share-based compensation expense	$	6,723		$	5,617		$	18,945		$	16,594
Income tax benefit related to share-based compensation expense	(2,243		)	(1,720		)	(5,801		)	(4,408		)

As of September 30, 2013, unrecognized share-based compensation expense was as follows:



(Dollars in thousands)	Unrecognized Expense		Average Expected Recognition Period - in Years
Stock options	$	17,195	2.67
Restricted stock units	34,357		2.72
Total unrecognized share-based compensation expense	$	51,552

The table below provides stock option information related to the 2006 Equity Incentive Plan for the nine months ended September 30, 2013:



	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life in Years	Aggregate Intrinsic Value of In-The- Money Options
Outstanding at December 31, 2012	2,060,413		$	49.15
Granted	311,692		71.54
Exercised	(661,216	)	45.97
Forfeited	(44,330	)	55.85
Expired	(953	)	51.86
Outstanding at September 30, 2013	1,665,606		54.42		4.33 years	$	53,233,391
Vested and expected to vest at September 30, 2013	1,610,512		54.02		4.28 years	52,113,576
Exercisable at September 30, 2013	789,760		44.89		3.15 years	32,761,622

The table below provides information for restricted stock units under the 2006 Equity Incentive Plan for the nine months ended September 30, 2013:



	Shares		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2012	585,543		$	59.42
Granted	328,245		71.52
Vested	(166,617	)	56.41
Forfeited	(34,351	)	61.35
Nonvested at September 30, 2013	712,820		65.60