Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

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Fixed interest rate related to the interest rate derivative.

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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DERIVATIVE INSTRUMENTS - Schedule of Net Investment Hedges Derivatives (Details) € in Thousands, SFr in Thousands	Sep. 30, 2021 USD ($)	Sep. 30, 2021 CHF (SFr)	Sep. 30, 2021 EUR (€)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 21, 2020 USD ($)	Dec. 21, 2020 CHF (SFr)
Cross-currency swap
Derivative [Line Items]
Aggregate Notional Amount				$ 7,300,000		$ 471,600,000	SFr 420,100
Net Investment Hedges \| Cross-currency swap
Derivative [Line Items]
Aggregate Notional Amount	$ 52,000,000		€ 44,900
Designated as Hedging Instrument \| Net Investment Hedges
Derivative [Line Items]
Fair Value Asset (Liability)	9,234,000				$ (6,036,000)
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap One
Derivative [Line Items]
Fair Value Asset (Liability)	$ 0				(1,884,000)
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap One \| Long
Derivative [Line Items]
Fixed Rate	0.00%	0.00%	0.00%
Aggregate Notional Amount \| €			€ 44,859
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap One \| Short
Derivative [Line Items]
Fixed Rate	3.01%	3.01%	3.01%
Aggregate Notional Amount	$ 52,000,000
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Two
Derivative [Line Items]
Fair Value Asset (Liability)	$ 2,050,000				(450,000)
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Two \| Long
Derivative [Line Items]
Fixed Rate	0.00%	0.00%	0.00%
Aggregate Notional Amount \| €			€ 51,760
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Two \| Short
Derivative [Line Items]
Fixed Rate	2.57%	2.57%	2.57%
Aggregate Notional Amount	$ 60,000,000
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Three
Derivative [Line Items]
Fair Value Asset (Liability)	$ 1,723,000				92,000
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Three \| Long
Derivative [Line Items]
Fixed Rate	0.00%	0.00%	0.00%
Aggregate Notional Amount \| €			€ 38,820
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Three \| Short
Derivative [Line Items]
Fixed Rate	2.19%	2.19%	2.19%
Aggregate Notional Amount	$ 45,000,000
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Four
Derivative [Line Items]
Fair Value Asset (Liability)	$ 5,461,000				$ (3,794,000)
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Four \| Long
Derivative [Line Items]
Fixed Rate	0.00%	0.00%	0.00%
Aggregate Notional Amount \| SFr		SFr 222,300
Designated as Hedging Instrument \| Net Investment Hedges \| Cross Currency Interest Rate Swap Four \| Short
Derivative [Line Items]
Fixed Rate	1.10%	1.10%	1.10%
Aggregate Notional Amount	$ 250,000,000