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DERIVATIVE INSTRUMENTS - Narrative (Details) € in Millions |  | 3 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2022 CHF (SFr) | Mar. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Oct. 04, 2021 USD ($) | Sep. 30, 2021 EUR (€) | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 21, 2020 USD ($) | Dec. 21, 2020 CHF (SFr) | Oct. 02, 2017 USD ($) | Oct. 02, 2017 CHF (SFr)
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |
Gain expected to be reclassified to earnings in the next twelve months |  | $ 5,300,000 |  |  |  |  |  |  |  |  |  |  |
Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total derivatives designated as hedges — Assets |  | 29,588,000 |  |  | $ 16,497,000 |  |  |  |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value |  | 43,300,000 |  | $ 88,285,000 |  |  |  |  |  |  |  |  |
Foreign Exchange Forward | Not Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current notional amount |  |  |  |  |  |  |  |  | $ 9,700,000 |  |  |  |
Gain (loss) reclassified into other income |  | (200,000) |  | (200,000) |  |  |  |  |  |  |  |  |
Total derivatives designated as hedges — Assets |  | (200,000) |  |  | $ (200,000) |  |  |  |  |  |  |  |
Cross-currency swap |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current notional amount |  |  |  |  |  |  |  | $ 7,300,000 |  | $ 471,600,000 | SFr 420,100,000 |  |
Gain (loss) reclassified into other income |  | 1,800,000 |  | 1,300,000 |  |  |  |  |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value |  | 7,900,000 |  | 40,200,000 |  |  |  |  |  |  |  |  |
Intercompany loan quarterly payments | SFr |  |  | SFr 5,800,000 |  |  |  |  |  |  |  |  |  |
Gain expected to be reclassified to earnings in the next twelve months |  | 2,400,000 |  |  |  |  |  |  |  |  |  |  |
Cross-currency swap | Cash Flow Hedges | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current notional amount |  |  |  |  |  | $ 50,000,000 |  |  |  |  |  |  |
Gain (loss) reclassified into other income |  | 6,500,000 |  | 42,900,000 |  |  |  |  |  |  |  |  |
Cross-currency swap | Net Investment Hedges |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current notional amount | $ 52,000,000 |  |  |  |  |  | € 44.9 |  |  |  |  |  |
Cross-currency swap | Net Investment Hedges | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) reclassified into other income |  | 1,300,000 |  | 1,700,000 |  |  |  |  |  |  |  |  |
Gain (loss) recorded, net investment hedge, change in fair value |  | 1,300,000 |  | $ 40,200,000 |  |  |  |  |  |  |  |  |
Cross-currency swap | Short | Codman |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current notional amount |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000 |
Cross-currency swap | Long | Codman |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Current notional amount | SFr |  |  |  |  |  |  |  |  |  |  |  |  | SFr 291,200,000
Currency Swap |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |

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