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FINANCIAL INSTRUMENTS (Schedule of currency swap transactions) (Details) - Jun. 30, 2021 - Designated as hedging instrument kr in Millions, $ in Millions	USD ($)	NOK (kr)
Cross Currency Interest Rate Contract
Derivative [Line Items]
Derivative, notional amount	$ 76.8	kr 600
Cross Currency Interest Rate Contract 2
Derivative [Line Items]
Derivative, notional amount	11.3	100
Cross Currency Interest Rate Contract 3
Derivative [Line Items]
Derivative, notional amount	80.5	700
Cross Currency Interest Rate Contract 4
Derivative [Line Items]
Derivative, notional amount	$ 67.5	kr 600

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- Definition

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=121590274&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
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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