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Stock-based compensation (Tables)

3 Months Ended

Mar. 31, 2015

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

Schedule of Share-based Compensation, Stock Options, Activity

A summary of the Company’s stock option activity and related information is as follows:

		Options outstanding
(shares in thousands)		Shares			Weighted- average exercise price				Weighted- average grant date fair value				Total intrinsic value of exercises (in thousands)				Aggregate intrinsic value (in thousands)
Outstanding at December 31, 2014:		25,134			$	6.62											$	1,425,339
Granted		420			45.56				$	22.47
Exercised		(4,143	)		1.44								$	203,784
Forfeited/Cancelled		(74	)		20.91
Outstanding at March 31, 2015:		21,337			$	8.34											$	756,135
Exercisable at March 31, 2015		14,678			$	2.68											$	597,831
Vested and expected to vest at March 31, 2015		20,966			$	8.08											$	748,068

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

A summary of the Company’s RSU activity is as follows:

(shares in thousands)	Shares			Weighted- average grant date fair value
Non-vested shares at December 31, 2014	4,307			$	21.98
Granted	332			46.42
Vested	(817	)		15.80
Forfeited	(8	)		79.22
Non-vested shares at March 31, 2015	3,814			25.30

A summary of the Company’s restricted stock awards is as follows:

(shares in thousands)	Shares			Weighted- average grant date fair value				Aggregate intrinsic value (in thousands)
Non-vested shares at December 31, 2014	17			$	6.30			$	1,017
Vested	(17	)
Non-vested shares at March 31, 2015	—			$	—			$	—

Allocation of Stock-based Compensation Expense

The following tables set forth the detailed allocation of stock-based compensation expense:

	Three months ended
(in thousands)	March 31, 2015				March 31, 2014
Stock-based compensation expense:
Cost of revenue	$	283			$	168
Research and development	3,535				1,401
Sales and marketing	3,066				1,414
General and administrative	19,617				1,054
Total stock-based compensation expense	26,501				4,037
Total tax benefit recognized	(9,304		)		(342		)
Decrease in net income	$	17,197			$	3,695
Stock-based compensation expense by type of award:
Stock options	$	5,957			$	2,894
RSUs	18,920				179
RSAs	566				964
ESPP	1,058				—
Total stock-based compensation expense	$	26,501			$	4,037

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901



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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F



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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

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