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v3.21.1

Segment Report - Schedule of Segment Report (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | $ 3,892.1 | $ 2,967.1 | $ 2,577.8
Cost of sales |  | (2,150.4) | (2,033.5) | (2,043.0)
Cost of sales before gold inventory change and amortisation and depreciation |  | (1,554.6) | (1,466.5) | (1,390.8)
Gold inventory change |  | 65.5 | 43.0 | 16.2
Amortisation and depreciation |  | (661.3) | (610.0) | (668.4)
Share-based payments |  | (14.5) | (20.5) | (37.5)
Long-term incentive plan |  | (51.3) | (9.1) | (1.1)
Exploration expense |  | (49.7) | (84.4) | (104.2)
Restructuring costs | [1] | (2.0) | (0.6) | (113.9)
Tarkwa ECL |  | (29.0) | 0.0 |
Silicosis settlement costs |  | (0.3) | 1.6 | 4.5
Profit/(loss) on disposal of assets |  | (0.2) | 1.2 | (51.6)
Investment income |  | 8.7 | 7.3 | 7.8
Finance expense |  | (126.7) | (102.2) | (88.0)
Gain on acquisition of Asanko |  | 0.0 | 0.0 | 51.8
Royalties |  | (105.0) | (73.7) | (62.5)
Mining and income taxation |  | (432.5) | (175.6) | 65.9
Profit/(loss) for the year |  | 745.4 | 174.7 | (344.8)
Owners of the parent |  | 723.0 | 161.6 | (348.2)
Non-controlling interest holders |  | 22.4 | 13.1 | 3.4
Total assets (excluding deferred taxation) |  | 7,472.8 | 6,561.3 |
Total liabilities (excluding deferred taxation) |  | 3,644.6 | 3,652.6 |
Corporate and other [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 0.0 | 0.0 | 0.0
Cost of sales |  | (11.9) | (10.9) | (3.1)
Cost of sales before gold inventory change and amortisation and depreciation |  | 0.1 | 0.1 | 0.6
Gold inventory change |  | 0.0 | 0.0 | 0.0
Amortisation and depreciation |  | (12.0) | (11.0) | (3.7)
Other income/(costs) |  | 13.0 | (20.8) | (44.5)
Loss on financial instruments |  | 158.8 | (51.3) |
Share-based payments |  | (7.9) | (10.5) | (10.4)
Long-term incentive plan |  | (13.6) | (5.3) | (1.6)
Exploration expense |  | (31.4) | (50.0) | (65.0)
Profit on disposal of Maverix Metals Incorporated |  |  | 14.6 |
Restructuring costs |  | 0.0 | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | (0.3) | 1.6 | 4.5
Impairment and reversal of impairment of investments and assets, net |  | 62.3 | (9.6) | (272.2)
Profit/(loss) on disposal of assets |  | 0.0 | 0.0 | 0.0
Investment income |  | (3.8) | (4.8) | (2.3)
Finance expense |  | (73.5) | (50.7) | (54.5)
Gain on acquisition of Asanko |  |  |  | 51.8
Royalties |  | 0.0 | 0.0 | 0.0
Mining and income taxation |  | (35.4) | (4.0) | 29.8
Current taxation |  | (18.7) | (6.1) | (13.9)
Deferred taxation |  | (16.7) | 2.1 | 43.7
Profit/(loss) for the year |  | 56.3 | (201.7) | (381.8)
Owners of the parent |  | 56.3 | (201.7) | (381.8)
Non-controlling interest holders |  | 0.0 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 402.5 | 32.8 | 806.9
Total liabilities (excluding deferred taxation) |  | (347.0) | (7.3) | 647.8
Net deferred taxation (assets)/liabilities |  | (32.8) | (53.4) | (59.1)
Capital expenditure |  | 97.8 | 2.8 | 15.1
Group including Asanko [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 4,080.3 | 3,120.4 | 2,632.7
Cost of sales |  | (2,267.4) | (2,166.9) | (2,095.9)
Cost of sales before gold inventory change and amortisation and depreciation |  | (1,661.7) | (1,555.2) | (1,432.4)
Gold inventory change |  | 78.5 | 41.3 | 20.4
Amortisation and depreciation |  | (684.2) | (653.0) | (683.9)
Other income/(costs) |  | (67.2) | (77.7) | (30.8)
Loss on financial instruments |  | (238.9) | (238.0) |
Share-based payments |  | (14.5) | (20.5) | (37.5)
Long-term incentive plan |  | (51.3) | (9.1) | (1.1)
Exploration expense |  | (49.7) | (84.4) | (104.2)
Profit on disposal of Maverix Metals Incorporated |  |  | 14.6 |
Restructuring costs |  | (2.0) | (0.6) | (113.9)
Tarkwa ECL |  | 29.0 |  |
Silicosis settlement costs |  | (0.3) | 1.6 | 4.5
Impairment and reversal of impairment of investments and assets, net |  | 50.6 | (9.8) | (520.3)
Profit/(loss) on disposal of assets |  | (0.2) | 1.2 | (51.6)
Investment income |  | 8.7 | 7.3 | 7.8
Finance expense |  | (126.7) | (102.2) | (88.0)
Gain on acquisition of Asanko |  |  |  | 51.8
Royalties |  | (114.4) | (81.4) | (65.3)
Mining and income taxation |  | (432.5) | (175.4) | 65.9
Current taxation |  | (366.5) | (190.6) | (145.7)
Deferred taxation |  | (66.0) | 15.2 | 211.6
Profit/(loss) for the year |  | 745.4 | 179.1 | (345.9)
Owners of the parent |  | 723.0 | 166.0 | (349.3)
Non-controlling interest holders |  | 22.4 | 13.1 | 3.4
Total assets (excluding deferred taxation) |  | 7,232.8 | 6,295.8 | 5,640.2
Total liabilities (excluding deferred taxation) |  | 3,144.7 | 3,219.0 | 2,747.9
Net deferred taxation (assets)/liabilities |  | 259.9 | 168.1 | 185.4
Capital expenditure |  | 614.9 | 639.3 | 827.0
Group excluding Asanko [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 3,892.1 | 2,967.1 | 2,577.8
Cost of sales |  | (2,150.4) | (2,033.5) | (2,043.0)
Cost of sales before gold inventory change and amortisation and depreciation |  | (1,554.6) | (1,466.5) | (1,390.8)
Gold inventory change |  | 65.5 | 43.0 | 16.2
Amortisation and depreciation |  | (661.3) | (610.0) | (668.4)
Other income/(costs) |  | (5.5) | (69.7) | (30.5)
Loss on financial instruments |  | (238.9) | (238.0) |
Share-based payments |  | (14.5) | (20.5) | (37.5)
Long-term incentive plan |  | (51.3) | (9.1) | (1.1)
Exploration expense |  | (49.7) | (84.4) | (104.2)
Profit on disposal of Maverix Metals Incorporated |  |  | 14.6 |
Restructuring costs |  | (2.0) | (0.6) | (113.9)
Tarkwa ECL |  | 29.0 |  |
Silicosis settlement costs |  | (0.3) | 1.6 | 4.5
Impairment and reversal of impairment of investments and assets, net |  | 50.6 | (9.8) | (520.3)
Profit/(loss) on disposal of assets |  | (0.2) | 1.2 | (51.6)
Investment income |  | 8.7 | 7.3 | 7.8
Finance expense |  | (126.7) | (102.2) | (88.0)
Gain on acquisition of Asanko |  |  |  | 51.8
Royalties |  | (105.0) | (73.7) | (62.5)
Mining and income taxation |  | (432.5) | (175.6) | 65.9
Current taxation |  | (366.5) | (190.6) | (145.7)
Deferred taxation |  | (66.0) | 15.0 | 211.6
Profit/(loss) for the year |  | 745.4 | 174.7 | (344.8)
Owners of the parent |  | 723.0 | 161.6 | (348.2)
Non-controlling interest holders |  | 22.4 | 13.1 | 3.4
Total assets (excluding deferred taxation) |  | 7,232.8 | 6,295.8 | 5,640.2
Total liabilities (excluding deferred taxation) |  | 3,144.7 | 3,219.0 | 2,747.9
Net deferred taxation (assets)/liabilities |  | 259.9 | 168.1 | 185.4
Capital expenditure |  | 583.7 | 612.5 | 814.2
South Africa [member] | South deep [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 400.1 | 314.8 | 210.1
Cost of sales |  | (258.1) | (275.1) | (320.5)
Cost of sales before gold inventory change and amortisation and depreciation |  | (227.2) | (245.9) | (262.0)
Gold inventory change |  | (1.8) | 3.7 | (9.6)
Amortisation and depreciation |  | (29.1) | (32.9) | (48.9)
Other income/(costs) |  | (1.5) | (3.0) | (6.3)
Loss on financial instruments |  | (84.7) | (25.8) |
Share-based payments |  | 0.6 | 0.8 | (4.7)
Long-term incentive plan |  | (5.0) | (1.0) | 0.1
Exploration expense |  | 0.0 | 0.0 | 0.0
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | 0.0 | (0.3) | (11.2)
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.1 | 0.7 | 1.0
Investment income |  | 1.7 | 1.0 | 0.9
Finance expense |  | (2.0) | (6.6) | (9.6)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | (2.0) | (1.6) | (1.0)
Mining and income taxation |  | (13.9) | 3.4 | 162.7
Current taxation |  | 0.0 | 0.0 | 0.0
Deferred taxation |  | (13.9) | 3.4 | 162.7
Profit/(loss) for the year |  | 35.3 | 7.2 | (224.7)
Owners of the parent |  | 35.0 | 7.2 | (224.7)
Non-controlling interest holders |  | 0.3 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 881.2 | 875.0 | 807.6
Total liabilities (excluding deferred taxation) |  | 1,287.2 | 1,357.9 | 1,272.7
Net deferred taxation (assets)/liabilities |  | (176.0) | (201.0) | (189.0)
Capital expenditure |  | 49.1 | 33.1 | 58.3
Ghana [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 1,516.7 | 1,162.0 | 950.8
Cost of sales |  | (829.6) | (826.1) | (754.3)
Cost of sales before gold inventory change and amortisation and depreciation |  | (634.7) | (568.9) | (483.8)
Gold inventory change |  | 71.8 | 21.5 | 13.2
Amortisation and depreciation |  | (266.7) | (278.7) | (283.7)
Other income/(costs) |  | (6.7) | (35.1) | 7.2
Loss on financial instruments |  | (93.9) | (35.1) |
Share-based payments |  | (2.9) | (5.2) | (8.9)
Long-term incentive plan |  | (11.2) | (1.0) | 0.4
Exploration expense |  | 0.0 | 0.0 | (0.4)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | (1.2) | (0.3) | (102.7)
Tarkwa ECL |  | 29.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | (9.8) | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.0 | 0.3 | (38.0)
Investment income |  | 10.4 | 10.1 | 8.3
Finance expense |  | (26.4) | (27.2) | (14.1)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | (62.5) | (43.8) | (31.3)
Mining and income taxation |  | (175.7) | (67.3) | 13.9
Current taxation |  | (129.6) | (72.5) | (19.6)
Deferred taxation |  | (46.1) | 5.2 | 33.5
Profit/(loss) for the year |  | 278.1 | 131.1 | 30.9
Owners of the parent |  | 256.3 | 118.4 | 27.5
Non-controlling interest holders |  | 21.8 | 12.7 | 3.2
Total assets (excluding deferred taxation) |  | 2,569.1 | 2,214.3 | 1,689.8
Total liabilities (excluding deferred taxation) |  | 735.3 | 638.5 | 239.1
Net deferred taxation (assets)/liabilities |  | 287.7 | 241.5 | 246.5
Capital expenditure |  | 198.3 | 228.6 | 307.4
Ghana [member] | Tarkwa [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 927.7 | 720.4 | 666.9
Cost of sales |  | (465.1) | (497.2) | (477.1)
Cost of sales before gold inventory change and amortisation and depreciation |  | (294.5) | (329.8) | (298.7)
Gold inventory change |  | (2.4) | 14.4 | (10.1)
Amortisation and depreciation |  | (168.2) | (181.8) | (168.3)
Other income/(costs) |  | (1.7) | (12.8) | (0.9)
Loss on financial instruments |  | (67.2) | (23.8) |
Share-based payments |  | (2.9) | (3.4) | (6.8)
Long-term incentive plan |  | (8.1) | (0.7) | 0.4
Exploration expense |  | 0.0 | 0.0 | 0.0
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | (1.2) | (0.3) | (88.8)
Tarkwa ECL |  | 29.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.0 | 0.2 | (38.0)
Investment income |  | 9.6 | 10.1 | 8.3
Finance expense |  | (14.7) | (12.9) | (4.3)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | (37.1) | (25.8) | (21.2)
Mining and income taxation |  | (136.8) | (52.4) | 1.8
Current taxation |  | (129.6) | (72.5) | (19.6)
Deferred taxation |  | (7.2) | 20.1 | 21.4
Profit/(loss) for the year |  | 173.5 | 101.3 | 40.1
Owners of the parent |  | 156.2 | 91.2 | 36.1
Non-controlling interest holders |  | 17.3 | 10.1 | 4.0
Total assets (excluding deferred taxation) |  | 2,035.1 | 1,773.8 | 1,530.6
Total liabilities (excluding deferred taxation) |  | 359.7 | 276.9 | 116.4
Net deferred taxation (assets)/liabilities |  | 248.9 | 241.6 | 261.7
Capital expenditure |  | 147.2 | 125.5 | 156.1
Ghana [member] | Damang [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 400.8 | 288.3 | 229.0
Cost of sales |  | (247.5) | (195.5) | (224.3)
Cost of sales before gold inventory change and amortisation and depreciation |  | (233.1) | (150.4) | (143.5)
Gold inventory change |  | 61.2 | 8.8 | 19.1
Amortisation and depreciation |  | (75.6) | (53.9) | (99.9)
Other income/(costs) |  | (2.7) | (14.3) | 8.4
Loss on financial instruments |  | (26.7) | (11.3) |
Share-based payments |  | 0.0 | (1.8) | (2.1)
Long-term incentive plan |  | (3.1) | (0.3) | 0.0
Exploration expense |  | 0.0 | 0.0 | (0.4)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | 0.0 | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | (9.8) | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.0 | 0.1 | 0.0
Investment income |  | 0.8 | 0.0 | 0.0
Finance expense |  | (11.7) | (14.3) | (9.8)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | (16.0) | (10.3) | (7.3)
Mining and income taxation |  | (38.9) | (15.1) | 12.1
Current taxation |  | 0.0 | 0.0 | 0.0
Deferred taxation |  | (38.9) | (15.1) | 12.1
Profit/(loss) for the year |  | 45.2 | 25.5 | (8.3)
Owners of the parent |  | 40.7 | 22.9 | (7.5)
Non-controlling interest holders |  | 4.5 | 2.6 | (0.8)
Total assets (excluding deferred taxation) |  | 534.0 | 440.5 | 159.2
Total liabilities (excluding deferred taxation) |  | 375.6 | 361.6 | 122.7
Net deferred taxation (assets)/liabilities |  | 38.8 | (0.1) | (15.2)
Capital expenditure |  | 19.9 | 76.3 | 138.5
Ghana [member] | Asanko [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 188.2 | 153.3 | 54.9
Cost of sales |  | (117.0) | (133.4) | (52.9)
Cost of sales before gold inventory change and amortisation and depreciation |  | (107.1) | (88.7) | (41.6)
Gold inventory change |  | 13.0 | (1.7) | 4.2
Amortisation and depreciation |  | (22.9) | (43.0) | (15.5)
Other income/(costs) |  | (2.3) | (8.0) | (0.3)
Loss on financial instruments |  | 0.0 | 0.0 |
Share-based payments |  | 0.0 | 0.0 | 0.0
Long-term incentive plan |  | 0.0 | 0.0 | 0.0
Exploration expense |  | 0.0 | 0.0 | 0.0
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | 0.0 | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.0 | 0.0 | 0.0
Investment income |  | 0.0 | 0.0 | 0.0
Finance expense |  | 0.0 | 0.0 | 0.0
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | (9.4) | (7.7) | (2.8)
Mining and income taxation |  | 0.0 | 0.2 | 0.0
Current taxation |  | 0.0 | 0.0 | 0.0
Deferred taxation |  | 0.0 | 0.2 | 0.0
Profit/(loss) for the year |  | 59.4 | 4.3 | (1.1)
Owners of the parent |  | 59.4 | 4.3 | (1.1)
Non-controlling interest holders |  | 0.0 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 0.0 | 0.0 | 0.0
Total liabilities (excluding deferred taxation) |  | 0.0 | 0.0 | 0.0
Net deferred taxation (assets)/liabilities |  | 0.0 | 0.0 | 0.0
Capital expenditure |  | 31.2 | 26.8 | 12.8
Peru [member] | Cerro corona [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 368.8 | 399.0 | 351.0
Cost of sales |  | (232.0) | (255.0) | (236.6)
Cost of sales before gold inventory change and amortisation and depreciation |  | (158.3) | (168.4) | (160.3)
Gold inventory change |  | 3.9 | 6.0 | 5.5
Amortisation and depreciation |  | (77.6) | (92.6) | (81.8)
Other income/(costs) |  | (4.8) | (4.7) | 1.5
Loss on financial instruments |  | (14.0) | 0.0 |
Share-based payments |  | (1.5) | (1.1) | (4.3)
Long-term incentive plan |  | (5.3) | (0.4) | 0.4
Exploration expense |  | (1.4) | (4.4) | (1.1)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | 0.0 | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | (1.9) | (0.2) | (1.9)
Profit/(loss) on disposal of assets |  | 0.0 | 0.0 | 0.0
Investment income |  | 0.0 | 0.0 | 0.0
Finance expense |  | (5.6) | (7.0) | (5.0)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | (5.6) | (5.5) | (5.1)
Mining and income taxation |  | (42.8) | (37.6) | (56.4)
Current taxation |  | (52.2) | (56.3) | (52.1)
Deferred taxation |  | 9.4 | 18.7 | (4.3)
Profit/(loss) for the year |  | 53.9 | 83.1 | 42.6
Owners of the parent |  | 53.6 | 82.7 | 42.4
Non-controlling interest holders |  | 0.3 | 0.4 | 0.2
Total assets (excluding deferred taxation) |  | 771.8 | 744.4 | 707.0
Total liabilities (excluding deferred taxation) |  | 318.1 | 232.1 | 209.9
Net deferred taxation (assets)/liabilities |  | 57.0 | 66.4 | 85.1
Capital expenditure |  | 49.9 | 56.1 | 33.2
Australia [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 1,794.7 | 1,244.6 | 1,120.8
Cost of sales |  | (935.9) | (799.7) | (781.3)
Cost of sales before gold inventory change and amortisation and depreciation |  | (641.6) | (572.1) | (526.9)
Gold inventory change |  | 4.5 | 10.2 | 11.4
Amortisation and depreciation |  | (298.8) | (237.8) | (265.8)
Other income/(costs) |  | (7.8) | (14.1) | 14.8
Loss on financial instruments |  | (205.1) | (125.8) |
Share-based payments |  | (2.8) | (4.5) | (9.2)
Long-term incentive plan |  | (16.2) | (1.4) | (0.4)
Exploration expense |  | (16.9) | (30.0) | (37.2)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | (0.8) | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | (0.3) | 0.2 | 0.0
Investment income |  | 0.4 | 1.0 | 0.0
Finance expense |  | (19.2) | (10.7) | (4.6)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | (44.3) | (30.5) | (27.9)
Mining and income taxation |  | (164.7) | (69.9) | 0.0
Current taxation |  | (166.0) | (55.7) | 0.0
Deferred taxation |  | 1.3 | (14.2) | 0.0
Profit/(loss) for the year |  | 381.2 | 159.3 | 0.0
Owners of the parent |  | 381.2 | 159.3 | 0.0
Non-controlling interest holders |  | 0.0 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 2,608.2 | 2,429.3 | 1,501.7
Total liabilities (excluding deferred taxation) |  | 1,151.2 | 997.8 | 276.8
Net deferred taxation (assets)/liabilities |  | 124.1 | 114.7 | 0.0
Capital expenditure |  | 219.8 | 318.7 | 278.7
Australia [member] | St Ives [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 691.4 | 505.0 | 464.7
Cost of sales |  | (347.5) | (333.8) | (332.2)
Cost of sales before gold inventory change and amortisation and depreciation |  | (240.7) | (231.3) | (200.9)
Gold inventory change |  | 6.6 | 2.5 | 14.9
Amortisation and depreciation |  | (113.4) | (105.0) | (146.2)
Other income/(costs) |  | (3.3) | (5.4) | 4.5
Loss on financial instruments |  | (80.1) | (49.3) |
Share-based payments |  | (0.8) | (1.7) | (3.5)
Long-term incentive plan |  | (6.0) | (0.5) | (0.2)
Exploration expense |  | (7.5) | (10.0) | (18.2)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | (0.8) | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.0 | (0.4) | (0.3)
Investment income |  | 0.2 | 0.4 | 0.4
Finance expense |  | (1.7) | (2.7) | (2.5)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | 0.0 | 0.0 | 0.0
Mining and income taxation |  | 0.0 | 0.0 | 0.0
Current taxation |  | 0.0 | 0.0 | 0.0
Deferred taxation |  | 0.0 | 0.0 | 0.0
Profit/(loss) for the year |  | 0.0 | 0.0 | 0.0
Owners of the parent |  | 0.0 | 0.0 | 0.0
Non-controlling interest holders |  | 0.0 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 802.5 | 792.7 | 702.4
Total liabilities (excluding deferred taxation) |  | 171.9 | 160.1 | 135.2
Net deferred taxation (assets)/liabilities |  | 0.0 | 0.0 | 0.0
Capital expenditure |  | 73.5 | 98.3 | 127.2
Australia [member] | Agnew Lawlers [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 411.5 | 304.6 | 301.1
Cost of sales |  | (228.3) | (224.9) | (236.4)
Cost of sales before gold inventory change and amortisation and depreciation |  | (157.3) | (164.6) | (159.7)
Gold inventory change |  | (5.4) | 2.6 | (1.7)
Amortisation and depreciation |  | (65.6) | (62.9) | (75.0)
Other income/(costs) |  | (1.7) | (0.4) | 9.1
Loss on financial instruments |  | (48.0) | (28.7) |
Share-based payments |  | (0.6) | (1.2) | (2.6)
Long-term incentive plan |  | (4.1) | (0.4) | 0.0
Exploration expense |  | (2.0) | (2.8) | (8.0)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | 0.0 | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.2 | 0.3 | (0.1)
Investment income |  | 0.1 | 0.3 | 0.2
Finance expense |  | (5.1) | (2.1) | (1.0)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | 0.0 | 0.0 | 0.0
Mining and income taxation |  | 0.0 | 0.0 | 0.0
Current taxation |  | 0.0 | 0.0 | 0.0
Deferred taxation |  | 0.0 | 0.0 | 0.0
Profit/(loss) for the year |  | 0.0 | 0.0 | 0.0
Owners of the parent |  | 0.0 | 0.0 | 0.0
Non-controlling interest holders |  | 0.0 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 755.4 | 567.0 | 492.6
Total liabilities (excluding deferred taxation) |  | 173.4 | 114.9 | 66.5
Net deferred taxation (assets)/liabilities |  | 0.0 | 0.0 | 0.0
Capital expenditure |  | 51.9 | 76.1 | 72.8
Australia [member] | Granny Smith [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 466.4 | 383.8 | 355.0
Cost of sales |  | (228.3) | (212.7) | (212.7)
Cost of sales before gold inventory change and amortisation and depreciation |  | (170.2) | (157.0) | (166.3)
Gold inventory change |  | 3.1 | (0.3) | (1.8)
Amortisation and depreciation |  | (61.2) | (55.4) | (44.6)
Other income/(costs) |  | (2.6) | (7.9) | 1.1
Loss on financial instruments |  | (51.6) | (39.3) |
Share-based payments |  | (0.8) | (1.3) | (3.1)
Long-term incentive plan |  | (4.6) | (0.4) | (0.2)
Exploration expense |  | (6.2) | (17.0) | (11.0)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | 0.0 | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | (0.5) | 0.3 | 0.0
Investment income |  | 0.1 | 0.3 | 0.3
Finance expense |  | (2.4) | (2.7) | (1.0)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | 0.0 | 0.0 | 0.0
Mining and income taxation |  | 0.0 | 0.0 | 0.0
Current taxation |  | 0.0 | 0.0 | 0.0
Deferred taxation |  | 0.0 | 0.0 | 0.0
Profit/(loss) for the year |  | 0.0 | 0.0 | 0.0
Owners of the parent |  | 0.0 | 0.0 | 0.0
Non-controlling interest holders |  | 0.0 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 367.6 | 419.2 | 306.7
Total liabilities (excluding deferred taxation) |  | 222.4 | 122.0 | 75.1
Net deferred taxation (assets)/liabilities |  | 0.0 | 0.0 | 0.0
Capital expenditure |  | 66.4 | 72.2 | 78.8
Australia [member] | Gruyere Australia [member] |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Revenue |  | 225.4 | 51.2 | 0.0
Cost of sales |  | (131.6) | (28.2) | 0.0
Cost of sales before gold inventory change and amortisation and depreciation |  | (73.4) | (19.1) | 0.0
Gold inventory change |  | 0.3 | 5.4 | 0.0
Amortisation and depreciation |  | (58.5) | (14.5) | 0.0
Other income/(costs) |  | (0.1) | (0.4) | (3.5)
Loss on financial instruments |  | (25.4) | (8.5) |
Share-based payments |  | (0.6) | (0.3) | 0.0
Long-term incentive plan |  | (1.5) | (0.1) | 0.0
Exploration expense |  | (1.2) | (0.2) | (0.5)
Profit on disposal of Maverix Metals Incorporated |  |  | 0.0 |
Restructuring costs |  | 0.0 | 0.0 | 0.0
Tarkwa ECL |  | 0.0 |  |
Silicosis settlement costs |  | 0.0 | 0.0 | 0.0
Impairment and reversal of impairment of investments and assets, net |  | 0.0 | 0.0 | 0.0
Profit/(loss) on disposal of assets |  | 0.0 | 0.0 | 0.0
Investment income |  | 0.0 | 0.0 | 0.0
Finance expense |  | (10.0) | (3.2) | (0.2)
Gain on acquisition of Asanko |  |  |  | 0.0
Royalties |  | 0.0 | 0.0 | 0.0
Mining and income taxation |  | 0.0 | 0.0 | 1.2
Current taxation |  | 0.0 | 0.0 | 29.5
Deferred taxation |  | 0.0 | 0.0 | (28.3)
Profit/(loss) for the year |  | 0.0 | 0.0 | (3.0)
Owners of the parent |  | 0.0 | 0.0 | 0.0
Non-controlling interest holders |  | 0.0 | 0.0 | 0.0
Total assets (excluding deferred taxation) |  | 682.7 | 650.4 | 127.2
Total liabilities (excluding deferred taxation) |  | 583.5 | 600.8 | 101.6
Net deferred taxation (assets)/liabilities |  | 0.0 | 0.0 | 30.5
Capital expenditure |  | $ 28.0 | $ 72.1 | $ 134.3
[1] | The restructuring costs in 2020 comprise mainly separation packages at Tarkwa amounting to US$1.2 million (2019: US$0.3 million and 2018: US$88.8 million), St Ives of US$0.8 million (2019: US$nil and 2018: US$nil), South Deep amounting to US$nil (2019: US$0.3 million and 2018: US$11.2 million) and Damang amounting to US$nil (2019: US$nil and 2018: US$13.9 million). The restructuring costs of US$88.8 million at Tarkwa in 2018 related to the transition to contractor mining.

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