Stock Options (Tables)

3 Months Ended

Mar. 31, 2014

Stock Options Tables

Disclosure Of Share-Based Compensation Arrangements By Share-Based Payment Award

A summary of activity related to aggregate stock options under all plans is indicated in the following table (in thousands, except per share amounts):

	As of March 31, 2014
			Weighted	Weighted
	Number		average	average remaining		Aggregate
	of		exercise	contractual		intrinsic
	options		price	term		value
	(in thousands)			(in years)		(in thousands)
Options outstanding at beginning
of year	6,656	$	8.03
Options granted	719		37.59
Options exercised	499		8.70
Options forfeited/expired	209		5.25
Options outstanding at March 31, 2014	6,667		11.25	7.69	$	129,980
Vested and expected to vest	6,241		10.79	7.60	$	124,041
Options exercisable at March 31, 2014	3,098	$	6.37	6.43	$	72,989