Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2016

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 and nine months ended September 30, 2016 and 2015 (in thousands, except per share data):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2016		2015		2016		2015
Numerator:
Net income	$	76,000	$	88,040	$	224,493	$	232,986
Denominator:
Shares used for basic net income per share	174,429		178,547		175,444		178,591
Effect of dilutive securities:
Stock options	341		667		380		858
RSUs and DSUs	847		1,150		701		1,193
Convertible senior notes	—		—		—		—
Warrants related to issuance of convertible senior notes	—		—		—		—
Shares used for diluted net income per share	175,617		180,364		176,525		180,642
Basic net income per share	$	0.44	$	0.49	$	1.28	$	1.30
Diluted net income per share	$	0.43	$	0.49	$	1.27	$	1.29

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 and nine months ended September 30, 2016 and 2015 are as follows (in thousands):

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2016	2015	2016	2015
Stock options	36	3	74	10
Service-based RSUs	1,450	157	2,672	269
Performance-based RSUs	1,245	1,148	884	1,148
Convertible senior notes	7,704	7,704	7,704	7,704
Warrants related to issuance of convertible senior notes	7,704	7,704	7,704	7,704