Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Computation of Net Income Per Share

The computation of earnings per share, as adjusted for the Stock Split, is as follows:

	Year ended December 31,
	2015		2014		2013
	(in thousands, except per share data)
Basic earnings per share:
Net income	$	122,641	$	266,799	$	112,403
Shares used in computation:
Weighted-average common shares outstanding	425,889		420,544		407,385
Basic earnings per share	$	0.29	$	0.63	$	0.28
Diluted earnings per share:
Net income	$	122,641	$	266,799	$	112,403
Convertible Notes interest expense, net of tax	—		—		49
Numerator for diluted earnings per share	122,641		266,799		112,452
Shares used in computation:
Weighted-average common shares outstanding	425,889		420,544		407,385
Convertible Notes shares	—		—		5,007
Employee stock options	10,567		11,350		12,935
Weighted-average number of shares	436,456		431,894		425,327
Diluted earnings per share	$	0.28	$	0.62	$	0.26

Summary of Potential Common Shares Excluded from Diluted Calculation

The following table summarizes the potential common shares excluded from the diluted calculation, as adjusted for the Stock Split:

	Year ended December 31,
	2015	2014	2013
	(in thousands)
Employee stock options	517	917	1,386