Stock Options - Note 9

9 Months Ended

Sep. 30, 2014

Stock Option Plans

(9) Stock Options

The Company recognized $3.6 million and $11.2 million of compensation expense during the three and nine months ended September 30, 2014, respectively, and $2.2 million and $7.3 million during the three and nine months ended September 30, 2013, respectively, related to all stock based compensation. As of September 30, 2014, there was $32.8 million of total unrecognized compensation cost related to all unvested share-based compensation arrangements that is expected to be recognized over a weighted-average period of 2.77 years.

A summary of activity related to aggregate stock options under all plans is indicated in the following table:

	As of September 30, 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	1,163		33.20
Options exercised	971		7.85
Options forfeited/expired	508		10.26
Options outstanding at September 30, 2014	6,340		12.50	7.37	$	94,207
Vested and expected to vest	6,012		12.05	7.29	$	91,391
Options exercisable at September 30, 2014	3,240	$	6.84	6.20	$	62,086