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SEGMENT AND GEOGRAPHIC INFORMATION - Net Sales and Profit by Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Segment Net Sales |  |  |  |
Total Revenues | $ 383,645 | $ 366,190 | $ 743,335 | $ 723,272
Segment Profit |  |  |  |
Operating income | 45,959 | 27,634 | 78,267 | 53,213
Amortization | (11,004) | (5,286) | (16,284) | (10,676)
Codman Specialty Surgical |  |  |  |
Segment Net Sales |  |  |  |
Total Revenues | 249,258 | 239,504 | 483,826 | 475,619
Orthopedics and Tissue Technologies |  |  |  |
Segment Net Sales |  |  |  |
Total Revenues | 134,387 | 126,686 | 259,509 | 247,653
Operating Segments |  |  |  |
Segment Profit |  |  |  |
Operating income | 141,028 | 128,259 | 272,904 | 250,188
Operating Segments | Codman Specialty Surgical |  |  |  |
Segment Profit |  |  |  |
Operating income | 99,241 | 91,118 | 190,622 | 180,609
Operating Segments | Orthopedics and Tissue Technologies |  |  |  |
Segment Profit |  |  |  |
Operating income | 41,787 | 37,141 | 82,282 | 69,579
Segment Reconciling Items |  |  |  |
Segment Profit |  |  |  |
Amortization | (11,004) | (5,286) | (16,284) | (10,676)
Corporate and other |  |  |  |
Segment Profit |  |  |  |
Operating income | $ (84,065) | $ (95,339) | $ (178,353) | $ (186,299)

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