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LEASES - Undiscounted lease liabilities (Details) $ in Millions	Dec. 31, 2020 USD ($)
Disclosure of maturity analysis of operating lease payments [line items]
Undiscounted lease liabilities	$ 88.7
2021
Disclosure of maturity analysis of operating lease payments [line items]
Undiscounted lease liabilities	28.6
2022-2025
Disclosure of maturity analysis of operating lease payments [line items]
Undiscounted lease liabilities	45.8
2026+
Disclosure of maturity analysis of operating lease payments [line items]
Undiscounted lease liabilities	$ 14.3

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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Amount of undiscounted lease liabilities payable by the lessee under the leasing arrangements.

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