Net Income per Share (Tables)

3 Months Ended

Mar. 31, 2014

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 three months ended March 31, 2014 and 2013 (in thousands, except per share data):

	For the Three Months Ended March 31,
	2014		2013
Numerator:
Net income	$	72,800	$	71,487
Denominator:
Shares used for basic net income per share	178,705		177,899
Effect of dilutive securities:
Stock options	1,382		1,776
RSUs and deferred stock units	1,951		1,887
Convertible senior notes	—		—
Warrants related to issuance of convertible senior notes	—		—
Shares used for diluted net income per share	182,038		181,562
Basic net income per share	$	0.41	$	0.40
Diluted net income per share	$	0.40	$	0.39

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 three months ended March 31, 2014 and 2013 are as follows (in thousands):

	For the Three Months Ended March 31,
	2014	2013
Stock options	651	2,148
Service-based RSUs	514	495
Performance-based RSUs	575	1,148
Convertible senior notes	7,704	—
Warrants related to issuance of convertible senior notes	7,704	—