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FINANCIAL RISK MANAGEMENT (Credit risk narrative) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of credit risk exposure [line items] |  |
Trade receivables | $ 1,767,425 | $ 918,438
Credit risk |  |
Disclosure of credit risk exposure [line items] |  |
Financial assets, investments assessed as investment grade, percent | 57.30% | 61.10%
Trade receivables | $ 1,767,400 | $ 918,400
Financing Receivables, Up to 180 Past Due | Credit risk |  |
Disclosure of credit risk exposure [line items] |  |
Trade receivables | 95,400 | 36,600
Financing Receivables, Equal to Greater than 1 Day Past Due | Credit risk |  |
Disclosure of credit risk exposure [line items] |  |
Allowance for doubtful account | 9,500 | 10,500
Performing Financial Instruments | Credit risk |  |
Disclosure of credit risk exposure [line items] |  |
Trade receivables | 1,681,500 | 892,300
Performance Guarantee | Credit risk |  |
Disclosure of credit risk exposure [line items] |  |
Trade receivables | 30,300 | 1,300
Credit Insurance | Credit risk |  |
Disclosure of credit risk exposure [line items] |  |
Trade receivables | 800,100 | 422,800
Guarantee Type, Other | Credit risk |  |
Disclosure of credit risk exposure [line items] |  |
Trade receivables | $ 8,400 | $ 7,300

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