Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Share Based Compensation and Related Benefits

For the three and six months ended June 30, 2012 and 2011, we recorded share-based compensation and related tax benefits as follows:

	Three months ended June 30,				Six months ended June 30,
(Dollars in thousands)	2012		2011		2012		2011
Share-based compensation expense	$	5,828	$	4,706	$	10,977	$	8,949
Income tax benefit related to share-based compensation expense		(1,489)		(1,243)		(2,688)		(2,276)

Unrecognized Share Based Compensation Expense

As of June 30, 2012, unrecognized share-based compensation expense was as follows:

(Dollars in thousands)	Unrecognized   Expense		Average Expected Recognition   Period - in Years
Stock options	$	19,129		3.00
Restricted stock units		29,706		2.99
Total unrecognized share-based compensation expense	$	48,835

Stock Option Information Related to Equity Incentive Plan

The table below provides stock option information related to the 1997 Equity Incentive Plan and the 2006 Equity Incentive Plan for the six months ended June 30, 2012:

	Options		Weighted Average  Exercise Price		Weighted Average Remaining Contractual   Life in Years		Aggregate   Intrinsic Value   of In-The- Money Options
Outstanding at December 31, 2011		2,439,360	$	42.64
Granted		387,793		64.02
Exercised		(576,461)		36.26
Forfeited		(36,629)		45.86
Expired		(4,568)		42.50
Outstanding at June 30, 2012		2,209,495		48.00		4.26		$ 26,284,468
Vested and expected to vest at June 30, 2012		2,106,562		47.53		4.17		25,861,593
Exercisable at June 30, 2012		1,159,056		43.06		2.93		18,281,444

Information for Restricted Stock Units under Equity Incentive Plan

The table below provides information for restricted stock units under the 2006 Equity Incentive Plan for the six months ended June 30, 2012:

	Shares		Weighted Average     Grant Date Fair     Value
Nonvested at December 31, 2011		499,119	$	52.72
Granted		309,840		63.89
Vested		(140,550)		51.46
Forfeited		(18,574)		54.73
Nonvested at June 30, 2012		649,835		58.27