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Business Combinations (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Business Combinations [Abstract]    
Revenues $ 221,012 $ 200,636
Net (loss) income attributable to NuVasive, Inc. $ (6,013) $ 18,140
Net (loss) income per share attributable to NuVasive, Inc.:    
Basic $ (0.12) $ 0.38
Diluted $ (0.12) $ 0.35