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GOODWILL AND OTHER INTANGIBLE ASSETS - Components of Company's Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | $ 1,391,655 |  | $ 1,398,921
Accumulated Amortization | (350,035) |  | (319,425)
Net | 1,041,620 |  | 1,079,496
Codman trade name |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Cost | 162,466 |  | 162,054
Net | $ 162,466 |  | 162,054
Completed technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 19 years | 19 years |
Cost | $ 856,730 |  | 855,679
Accumulated Amortization | (190,219) |  | (167,384)
Net | $ 666,511 |  | 688,295
Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 13 years | 13 years |
Cost | $ 222,784 |  | 231,448
Accumulated Amortization | (111,617) |  | (106,859)
Net | $ 111,167 |  | 124,589
Trademarks/brand names |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 28 years | 28 years |
Cost | $ 104,041 |  | 104,061
Accumulated Amortization | (26,688) |  | (24,764)
Net | $ 77,353 |  | 79,297
Supplier relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 27 years | 27 years |
Cost | $ 34,721 |  | 34,721
Accumulated Amortization | (17,233) |  | (16,519)
Net | $ 17,488 |  | 18,202
All other |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 4 years | 4 years |
Cost | $ 10,913 |  | 10,958
Accumulated Amortization | (4,278) |  | (3,899)
Net | $ 6,635 |  | $ 7,059

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