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Other long-term liabilities - Other long-term liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract]
Cash flow hedges	$ 60,098	$ 180,798
Share-based compensation liability	68,634	71,913
Defined benefit pension plans	20,616	36,646
Site restoration costs	29,355	31,941
Land mortgage	28,985	29,430
Other	3,252	3,915
Other long-term liabilities	210,940	354,643
Less current maturities	(17,191)	(27,152)
Other non-current liabilities	$ 193,749	$ 327,491

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The amount of instruments issued by the entity that represent indebtedness.

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The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]

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The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities]

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The amount of liabilities that the entity does not separately disclose in the same statement or note.

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The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities]

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The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]

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The amount of provisions for employee benefits. [Refer: Employee benefits expense; Provisions]

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Other Sundry Liabilities Noncurrent

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