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SUMMARY OF SIGNIFICANT ACCOUNT POLICIES - Schedule Of Changes In Carrying Amount Of Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jan. 24, 2013
Tarsus Medical, Inc.
Dec. 31, 2013
U.S. Neurosurgery
Dec. 31, 2012
U.S. Neurosurgery
Dec. 31, 2013
U.S. Instruments
Dec. 31, 2012
U.S. Instruments
Dec. 31, 2013
U.S. Extremities
Dec. 31, 2012
U.S. Extremities
Dec. 31, 2013
U.S. Extremities
Tarsus Medical, Inc.
Dec. 31, 2013
U.S. Spine and Other
Dec. 31, 2012
U.S. Spine and Other
Dec. 31, 2013
International
Dec. 31, 2012
International
Goodwill And Other Intangible Assets [Line Items]                              
Goodwill   $ 294,067   $ 116   $ 94,312   $ 57,514   $ 60,353     $ 56,219   $ 25,669
Goodwill at December 31, 2012 294,067       94,312   57,514   60,353     56,219   25,669  
Goodwill acquired during the period 180                   180        
Goodwill impairment charge (46,738) 0 0                 (46,738)      
Foreign currency translation 2,255       853   519   546     106   231  
Balance, December 31, 2013 $ 249,764 $ 294,067     $ 95,165   $ 58,033   $ 61,079     $ 9,587   $ 25,900