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GOODWILL AND OTHER INTANGIBLE ASSETS - Components of Company's Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 1,392,484 | $ 1,415,787
Accumulated Amortization | (418,799) | (384,196)
Net | 973,685 | 1,031,591
Codman tradename |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | 167,013 | 163,126
Net | 167,013 | 163,126
IPR&D |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Other indefinite-lived intangible assets | $ 1,000 | $ 1,000
Completed technology |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life | 19 years | 19 years
Cost | $ 891,554 | $ 880,623
Accumulated Amortization | (250,609) | (213,702)
Net | $ 640,945 | $ 666,921
Customer relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life | 12 years | 12 years
Cost | $ 223,512 | $ 222,575
Accumulated Amortization | (138,989) | (119,393)
Net | $ 84,523 | $ 103,182
Trademarks/brand names |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life | 28 years | 28 years
Cost | $ 104,404 | $ 103,873
Accumulated Amortization | (31,425) | (28,514)
Net | $ 72,979 | $ 75,359
Supplier relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life | 27 years | 27 years
Cost | $ 34,721 | $ 34,721
Accumulated Amortization | (19,018) | (17,947)
Net | $ 15,703 | $ 16,774
All other |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life | 4 years | 4 years
Cost | $ 11,101 | $ 10,869
Accumulated Amortization | (5,247) | (4,640)
Net | 5,854 | $ 6,229
Transfer to assets held for sale (See Note 2. Assets Held for Sale) |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Cost | (39,821) |
Accumulated Amortization | 26,489 |
Net | $ (13,332) |

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