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DERIVATIVE INSTRUMENTS (Narrative) (Details) € in Millions, £ in Millions, SFr in Millions |  |  | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) | Oct. 02, 2020 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CHF (SFr) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Oct. 04, 2021 USD ($) | Sep. 30, 2021 EUR (€) | Jun. 30, 2021 USD ($) | Dec. 31, 2020 GBP (£) | Dec. 21, 2020 USD ($) | 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 |  |  | $ 68,192,000 |  | $ (96,837,000) | $ (13,671,000) |  |  |  |  |  |  |  |
Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative fair value |  |  | 16,497,000 |  | 12,920,000 |  |  |  |  |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value |  |  | 68,192,000 |  | (96,836,000) |  |  |  |  |  |  |  |  |
Cash Flow Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  | 1,775,000,000 |  | 1,875,000,000 |  |  |  |  |  |  |  |  |
Foreign Currency Forward Contract | Not Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  | 9,700,000 |  |  |  |  |  |  |  |  |
Gain (loss) recognized in other income |  |  |  |  | (200,000) |  |  |  |  |  |  |  |  |
Derivative fair value |  |  | 200,000 |  | 200,000 |  |  |  |  |  |  |  |  |
Currency Swap |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | $ 7,300,000 |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value |  |  | 600,000 |  |  |  |  |  |  |  |  |  |  |
Cross-Currency Interest Rate Swap |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  |  | $ 471,600,000 | SFr 420.1 |  |
Gain (loss) recognized in other income |  |  | 9,100,000 |  | 5,800,000 |  |  |  |  |  |  |  |  |
Intercompany loan, quarterly payment | SFr |  |  |  | SFr 5.8 |  |  |  |  |  |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value |  |  | 24,300,000 |  | (17,100,000) |  |  |  |  |  |  |  |  |
Gain (loss) estimated to be reclassified to earnings during next twelve months |  |  | (3,400,000) |  |  |  |  |  |  |  |  |  |  |
Cross-Currency Interest Rate Swap | Cash Flow Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  | $ 33,300,000 |  |  |  |  | $ 50,000,000 |  |  |  |  |  |  |
Gain (loss) recognized in other income |  |  | 23,800,000 |  | (21,700,000) |  |  |  |  |  |  |  |  |
Loss recorded, settlement of derivative |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |
Cross-Currency Interest Rate Swap | Net Investment Hedging |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount | $ 52,000,000 |  |  |  |  |  |  | € 44.9 |  |  |  |  |  |
Gain (loss) recorded in AOCL, change in fair value | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Cross-Currency Interest Rate Swap | Net Investment Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  | 167,500,000 |  |  |  |  | £ 128.3 |  |  |  |
Gain (loss) recognized in other income |  |  | 6,500,000 |  | 7,600,000 |  |  |  |  |  |  |  |  |
Loss recorded, settlement of derivative |  |  |  |  | 7,800,000 |  |  |  |  |  |  |  |  |
Gain (loss) estimated to be reclassified to earnings during next twelve months |  |  | 5,100,000 |  |  |  |  |  |  |  |  |  |  |
Gain (loss) recorded, net investment hedge, change in fair value |  |  | $ 16,500,000 |  | $ (14,900,000) |  |  |  |  |  |  |  |  |
Cross-Currency Interest Rate Swap | Short |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000 |
Cross-Currency Interest Rate Swap | Long |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount | SFr |  |  |  |  |  |  |  |  |  |  |  |  |  | SFr 291.2

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