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FINANCIAL RISK MANAGEMENT (Liquidity risk) (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Borrowings less cash and cash equivalents and other current and non-current investments | $ 1,734.9
Liquidity risk | 2019 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Total | 1,377.0
Liquidity risk | 2020 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Total | 597.0
Liquidity risk | 2021 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Total | 557.0
Liquidity risk | 2022 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Total | 539.0
Liquidity risk | Thereafter |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Total | 116.0
Liquidity risk | Borrowings | 2019 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Borrowings | 400.0
Liquidity risk | Borrowings | 2020 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Borrowings | 528.0
Liquidity risk | Borrowings | 2021 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Borrowings | 509.0
Liquidity risk | Borrowings | 2022 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Borrowings | 510.0
Liquidity risk | Borrowings | Thereafter |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Borrowings | 90.0
Liquidity risk | Interests to be accrued | 2019 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Interest to be accrued | 70.0
Liquidity risk | Interests to be accrued | 2020 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Interest to be accrued | 55.0
Liquidity risk | Interests to be accrued | 2021 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Interest to be accrued | 35.0
Liquidity risk | Interests to be accrued | 2022 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Interest to be accrued | 15.0
Liquidity risk | Interests to be accrued | Thereafter |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Interest to be accrued | 4.0
Liquidity risk | Trade payables and other liabilities | 2019 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Trade payables and other liabilities | 907.0
Liquidity risk | Trade payables and other liabilities | 2020 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Trade payables and other liabilities | 14.0
Liquidity risk | Trade payables and other liabilities | 2021 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Trade payables and other liabilities | 13.0
Liquidity risk | Trade payables and other liabilities | 2022 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Trade payables and other liabilities | 14.0
Liquidity risk | Trade payables and other liabilities | Thereafter |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items] |
Trade payables and other liabilities | $ 22.0

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