Unaudited Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated net income (loss)	$ (1,987)	$ 7,280	$ (24,789)	$ 1,148
Other comprehensive income (loss):
Unrealized gain (loss) on marketable securities, net of tax	(29)	283	(103)	13
Translation adjustments, net of tax	(2,579)	1,654	(566)	(2,275)
Other comprehensive income (loss)	(2,608)	1,937	(669)	(2,262)
Total consolidated comprehensive income (loss)	(4,595)	9,217	(25,458)	(1,114)
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest	(157)		(595)	0
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest		231	0	745
Comprehensive income (loss) attributable to NuVasive, Inc.	$ (4,438)	$ 9,448	$ (24,863)	$ (369)