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GOODWILL AND OTHER INTANGIBLE ASSETS - Components of Company's Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Cost |  | $ 1,636,228 | $ 1,421,087
Accumulated Amortization |  | (480,433) | (431,651)
Net |  | 1,155,795 | 989,436
Codman tradename |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Cost |  | 166,087 | 170,226
Net |  | $ 166,087 | 170,226
Completed technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 19 years | 18 years |
Cost |  | $ 1,123,507 | 896,478
Accumulated Amortization |  | (289,871) | (248,088)
Net |  | $ 833,636 | 648,390
Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 12 years | 12 years |
Cost |  | $ 211,712 | 213,270
Accumulated Amortization |  | (140,138) | (132,838)
Net |  | $ 71,574 | 80,432
Trademarks/brand names |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 28 years | 28 years |
Cost |  | $ 98,352 | 104,209
Accumulated Amortization |  | (30,609) | (31,767)
Net |  | $ 67,743 | 72,442
Supplier relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 27 years | 30 years |
Cost |  | $ 30,211 | 30,211
Accumulated Amortization |  | (15,948) | (15,203)
Net |  | $ 14,263 | 15,008
All other |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted Average Life | 4 years | 11 years |
Cost |  | $ 6,359 | 6,693
Accumulated Amortization |  | (3,867) | (3,755)
Net |  | $ 2,492 | $ 2,938

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