DERIVATIVE INSTRUMENTS (Fair Value of Derivative Instruments By Balance Sheet Location) (Details) € in Millions, £ in Millions, SFr in Millions	Dec. 31, 2021 USD ($)	Oct. 04, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 GBP (£)	Dec. 21, 2020 USD ($)	Dec. 21, 2020 CHF (SFr)	Oct. 02, 2020 USD ($)
Cross-currency swap
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount							$ 471,600,000	SFr 420.1
Cross-currency swap | Net Investment Hedges
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount			$ 52,000,000	€ 44.9
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Assets	$ 16,497,000				$ 12,920,000
Total derivatives designated as hedges — Liabilities	64,838,000				136,165,000
Designated as Hedging Instrument | Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	1,775,000,000				1,875,000,000
Designated as Hedging Instrument | Interest rate swap | Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount	1,800,000,000				1,900,000,000
Designated as Hedging Instrument | Interest rate swap | Cash Flow Hedges | Other assets
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Assets	4,373,000				0
Designated as Hedging Instrument | Interest rate swap | Cash Flow Hedges | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Liabilities	18,187,000				22,033,000
Designated as Hedging Instrument | Interest rate swap | Cash Flow Hedges | Other liabilities
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Liabilities	30,143,000				71,736,000
Designated as Hedging Instrument | Cross-currency swap | Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount		$ 50,000,000							$ 33,300,000
Designated as Hedging Instrument | Cross-currency swap | Cash Flow Hedges | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Assets	4,900,000				7,623,000
Designated as Hedging Instrument | Cross-currency swap | Cash Flow Hedges | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Liabilities	8,283,000				4,335,000
Designated as Hedging Instrument | Cross-currency swap | Cash Flow Hedges | Other liabilities
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Liabilities	4,859,000				26,728,000
Designated as Hedging Instrument | Cross-currency swap | Net Investment Hedges
Derivatives, Fair Value [Line Items]
Aggregate Notional Amount					167,500,000	£ 128.3
Designated as Hedging Instrument | Cross-currency swap | Net Investment Hedges | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Assets	5,120,000				5,297,000
Designated as Hedging Instrument | Cross-currency swap | Net Investment Hedges | Other assets
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Assets	2,104,000				0
Designated as Hedging Instrument | Cross-currency swap | Net Investment Hedges | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Liabilities	0				1,884,000
Designated as Hedging Instrument | Cross-currency swap | Net Investment Hedges | Other liabilities
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedges — Liabilities	$ 3,366,000				$ 9,449,000