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Capital Management (Tables)

12 Months Ended

Dec. 31, 2017

Text block1 [abstract]

Summary of Reconciliation of Net Operating Profit


						UNITED STATES DOLLAR
		Notes				2017				2016
Borrowings							1,781.5				1,692.9
Less: Cash and cash equivalents							479.0				526.7

Net debt							1,302.5				1,166.2
Adjusted EBITDA							1,263.7				1,232.2
Net debt to adjusted EBITDA							1.03				0.95

Reconciliation of (loss)/profit for the year to adjusted EBITDA:
(Loss)/profit for the year (continuing and discontinued operations)							(7.7	)			169.1
Mining and income taxation from continuing operations							173.2				189.5
Mining and income taxation from discontinued operations			12.1				(1.4	)			0.6
Royalties from continuing operations							62.0				78.4
Royalties from discontinued operations			12.1				1.1				2.0
Finance expense from continuing operations							81.3				78.1
Investment income from continuing operations							(5.6	)			(8.3	)
Gain on financial instruments from continuing operations							(34.4	)			(14.4	)
Foreign exchange loss from continuing operations							3.5				6.4
Amortisation and depreciation from continuing operations			2				748.1				671.4
Amortisation and depreciation from discontinued operations			2				3.5				14.4
Share-based payments from continuing operations							26.8				14.0
Long-term incentive plan from continuing operations							5.0				10.5
Restructuring costs from continuing operations							9.2				11.7
Silicosis settlement costs from continuing operations							30.2				—
Impairment, net of reversal of impairment of investments and assets from continuing operations							200.2				76.5
Profit on disposal of investments from continuing operations							—				(2.3	)
Profit on disposal of assets from continuing operations							(4.0	)			(48.0	)
Gain on sale of discontinued operation, net of taxation			12.1				(16.4	)			—
Share of results of equity-accounted investees, net of taxation							1.3				2.3
Rehabilitation income from continuing operations			7				(13.5	)			(9.7	)
Profit on buy-back of notes			7				—				(17.7	)
Other							1.3				7.7

							1,263.7				1,232.2