Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2019

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, 2019 and 2018 (in thousands, except per share data):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2019		2018		2019		2018
Numerator:
Net income	$	137,890	$	107,583	$	358,935	$	204,358
Denominator:
Shares used for basic net income per share	162,445		165,924		163,029		168,763
Effect of dilutive securities:
Stock options	36		80		59		158
RSUs and DSUs	2,077		1,896		1,700		1,811
Convertible senior notes	—		—		—		—
Warrants related to issuance of convertible senior notes	—		—		—		—
Shares used for diluted net income per share	164,558		167,900		164,788		170,732
Basic net income per share	$	0.85	$	0.65	$	2.20	$	1.21
Diluted net income per share	$	0.84	$	0.64	$	2.18	$	1.20

Schedule of Shares Excluded from Computation of Diluted Earnings Per Share

The number of potentially outstanding common shares excluded from the computation of diluted net income per share for the three and nine months ended September 30, 2019 and 2018 are as follows (in thousands):

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2019	2018	2019	2018
Service-based RSUs	139	185	959	1,068
Performance-based RSUs	1,484	1,515	1,484	1,520
Convertible senior notes	21,991	19,797	21,991	19,797
Warrants related to issuance of convertible senior notes	21,991	19,797	21,991	19,797
Total shares excluded from computation	45,605	41,294	46,425	42,182