Net Income per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share Reconciliation [Abstract]

Schedule of Components Used in Diluted and Basic Income Per Common Share

The following table sets forth the components used in the computation of basic and diluted net income per share for the three months ended March 31, 2015 and 2014 (in thousands, except per share data):

	For the Three Months Ended March 31,
	2015		2014
Numerator:
Net income	$	77,746	$	72,800
Denominator:
Shares used for basic net income per share	178,545		178,705
Effect of dilutive securities:
Stock options	996		1,382
RSUs and deferred stock units	1,284		1,951
Convertible senior notes	—		—
Warrants related to issuance of convertible senior notes	—		—
Shares used for diluted net income per share	180,825		182,038
Basic net income per share	$	0.44	$	0.41
Diluted net income per share	$	0.43	$	0.40

Schedule of Shares Excluded from Computation of Diluted Earnings Per Share

The number of potentially outstanding shares excluded from the computation of diluted net income per share for the three months ended March 31, 2015 and 2014 are as follows (in thousands):

	For the Three Months Ended March 31,
	2015	2014
Stock options	26	651
Service-based RSUs	622	514
Performance-based RSUs	1,148	575
Convertible senior notes	7,704	7,704
Warrants related to issuance of convertible senior notes	7,704	7,704