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Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Subclassifications of assets, liabilities and equities [abstract]
Trade accounts payable and accrued liabilities	$ 87.3	$ 75.6
Royalties payable	4.9	3.6
Interest payable	0.0	6.1
Share-based compensation liability (note 16)	4.5	6.8
Derivative liabilities (note 20)	0.1	2.4
Accounts payable and accrued liabilities	$ 96.8	$ 94.5

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Accrued Royalties, Current1

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Trade Accounts Payable and Accrued Liabilities, Current

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- Definition

The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities]

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The amount of current interest payable. [Refer: Interest payable]

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The amount of accruals for employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. [Refer: Accruals classified as current]

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The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

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