Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Allocation of Share-Based Compensation Expense

For the three months ended March 31, 2015 and 2014, we recorded share-based compensation expense as follows:

	Three Months Ended March 31,
	2015		2014
	(in thousands)
Cost of revenue	$	438	$	447
Selling, general and administrative		3,449		2,732
Research and development		2,089		1,178
	$	5,976	$	4,357

Summary of Options Granted under All Plans

Information related to options granted under all of our plans at March 31, 2015 and activity in the three months then ended is as follows (certain amounts in U.S.$ were converted from AU$ at the then period-end spot rate):

	Number of Options (in thousands)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2014		107		$	48.32
Granted		—			—
Exercised		(1	)		21.42
Forfeited		—			—
Expired		—			—
Outstanding at March 31, 2015		106		$	47.87		4.16	$	4,284
Exercisable at March 31, 2015		86		$	39.19		3.29	$	4,203

Summary of RSU's

Information related to RSUs at March 31, 2015 and activity in the three months then ended is as follows:

	Number of Units (in thousands)			Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2014		589
Granted		286
Vested/Exercised		(88	)
Forfeited		(14	)
Expired		—
Outstanding at March 31, 2015		773			1.82	$	67,860