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INVESTMENT IN ASSOCIATE - Narrative (Details) - DPM
$ in Millions
 12 Months Ended
Dec. 31, 2021
USD ($)
shares
Disclosure of associates [line items]  
Investments in subsidiaries, conversion of common shares, from sale of investment | shares 0.0910
Investments in subsidiaries, shares received on transaction | shares 4,900,000
Investments in subsidiaries, fair value of shares received $ 28.7
Investments in subsidiaries, gain on sale of investment 16.1
Investments in subsidiaries, carrying amount of investment 9.4
Investments in subsidiaries, currency translation adjustment $ 3.2