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DERIVATIVE INSTRUMENTS (Schedule of Net Investment Hedges Derivatives) (Details) € in Thousands, £ in Thousands, SFr in Thousands	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CHF (SFr)	Dec. 31, 2020 EUR (€)	Dec. 31, 2020 GBP (£)	Dec. 21, 2020 USD ($)	Dec. 21, 2020 CHF (SFr)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CHF (SFr)	Dec. 31, 2019 EUR (€)	Dec. 31, 2019 GBP (£)	Oct. 02, 2017 USD ($)	Oct. 02, 2017 CHF (SFr)
Cross-Currency Interest Rate Swap
Derivative [Line Items]
Aggregate Notional Amount					$ 471,600,000	SFr 420,100
Cross-Currency Interest Rate Swap | Long
Derivative [Line Items]
Aggregate Notional Amount | SFr												SFr 291,200
Cross-Currency Interest Rate Swap | Short
Derivative [Line Items]
Aggregate Notional Amount											$ 300,000,000.0
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap One
Derivative [Line Items]
Fair Value (Liability)	$ (1,884,000)						$ 2,459,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap One | Long
Derivative [Line Items]
Fixed Interest Rate	0.00%	0.00%	0.00%	0.00%			0.00%	0.00%	0.00%	0.00%
Aggregate Notional Amount | €			€ 44,859						€ 44,859
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap One | Short
Derivative [Line Items]
Fixed Interest Rate	3.01%	3.01%	3.01%	3.01%			3.01%	3.01%	3.01%	3.01%
Aggregate Notional Amount	$ 52,000,000						$ 52,000,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Two
Derivative [Line Items]
Fair Value (Liability)	$ (450,000)						$ 3,087,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Two | Long
Derivative [Line Items]
Fixed Interest Rate	0.00%	0.00%	0.00%	0.00%			0.00%	0.00%	0.00%	0.00%
Aggregate Notional Amount | €			€ 51,760						€ 51,760
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Two | Short
Derivative [Line Items]
Fixed Interest Rate	2.57%	2.57%	2.57%	2.57%			2.57%	2.57%	2.57%	2.57%
Aggregate Notional Amount	$ 60,000,000						$ 60,000,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Three
Derivative [Line Items]
Fair Value (Liability)	$ 92,000						$ 2,032,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Three | Long
Derivative [Line Items]
Fixed Interest Rate	0.00%	0.00%	0.00%	0.00%			0.00%	0.00%	0.00%	0.00%
Aggregate Notional Amount | €			€ 38,820						€ 38,820
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Three | Short
Derivative [Line Items]
Fixed Interest Rate	2.19%	2.19%	2.19%	2.19%			2.19%	2.19%	2.19%	2.19%
Aggregate Notional Amount	$ 45,000,000						$ 45,000,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Four
Derivative [Line Items]
Fair Value (Liability)							$ (154,000)
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Four | Long
Derivative [Line Items]
Fixed Interest Rate							1.67%	1.67%	1.67%	1.67%
Aggregate Notional Amount | £										£ 128,284
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Four | Short
Derivative [Line Items]
Fixed Interest Rate							2.71%	2.71%	2.71%	2.71%
Aggregate Notional Amount							$ 167,500,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Five
Derivative [Line Items]
Fair Value (Liability)							$ 1,221,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Five | Long
Derivative [Line Items]
Fixed Interest Rate							0.00%	0.00%	0.00%	0.00%
Aggregate Notional Amount | SFr								SFr 165,172
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap Five | Short
Derivative [Line Items]
Fixed Interest Rate							1.67%	1.67%	1.67%	1.67%
Aggregate Notional Amount | £										£ 128,284
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Contract Six
Derivative [Line Items]
Fair Value (Liability)	$ (3,794,000)
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Contract Six | Long
Derivative [Line Items]
Fixed Interest Rate	0.00%	0.00%	0.00%	0.00%
Aggregate Notional Amount | SFr		SFr 222,300
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Contract Six | Short
Derivative [Line Items]
Fixed Interest Rate	1.10%	1.10%	1.10%	1.10%
Aggregate Notional Amount	$ 250,000,000
Net Investment Hedging | Designated as Hedging Instrument | Cross-Currency Interest Rate Swap
Derivative [Line Items]
Aggregate Notional Amount	167,500,000			£ 128,300			$ 30,000,000.0
Fair Value (Liability)	$ (6,036,000)						$ 8,645,000

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