Organization and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Computation of Basic and Diluted Earnings (Loss) Per Share

The following table sets forth the computation of basic and diluted earnings (loss) per share (in thousands, except share data):  

	Year Ended December 31,
	2016		2015		2014
Numerator:
Net income (loss) available to NuVasive, Inc.	$	37,147	$	66,291	$	(16,720	)
Denominator for basic and diluted net income (loss) per    share:
Weighted average common shares outstanding for    basic		50,077		48,687		46,715
Dilutive potential common stock outstanding:
Stock options and ESPP		314		1,089		—
RSUs		1,273		1,157		—
Warrants		1,297		177		—
Senior Convertible Notes		1,141		1,314		—
Weighted average common shares outstanding for    diluted		54,102		52,424		46,715
Basic net income (loss) per share attributable to    NuVasive, Inc.	$	0.74	$	1.36	$	(0.36	)
Diluted net income (loss) per share attributable to    NuVasive, Inc.	$	0.69	$	1.26	$	(0.36	)

Anti-dilutive Common Stock Equivalents Not Included in Calculation of Net Income (Loss) Per Diluted Share

The following weighted outstanding common stock equivalents were not included in the calculation of net income (loss) per diluted share because their effects were anti-dilutive (in thousands):

	Year Ended December 31,
	2016		2015		2014
Stock options, ESPP, and RSUs		912		40		8,902
Warrants		13,253		4,777		9,553
Senior Convertible Notes		7,550		—		9,553
Total		21,715		4,817		28,008