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FAIR VALUE MEASUREMENT - Energy swap contracts (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) $ / bbl bbl	Dec. 31, 2021 USD ($)
Derivative Contracts
Financial Instruments
Unrealized gain (loss) recorded in AOCI	$ 17.5	$ 26.9
Energy swap contracts
Financial Instruments
Unrealized gain (loss) recorded in AOCI	$ 16.2	$ 30.4
Energy swap contracts | 2024
Financial Instruments
WTI oil swap contracts (barrels) | bbl	565,200
Average price | $ / bbl	39.58

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- Definition

The average price of a hedging instrument. [Refer: Hedging instruments [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The gains (losses) excluding exchange differences, recognised in other comprehensive income, on the fair value measurement of assets. [Refer: At fair value [member]; Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Nominal volume used to calculate payments on a derivative instrument.

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