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SEGMENTED INFORMATION - Significant customers (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Segmented Information |  |
Metal sales | $ 4,213.4 | $ 3,497.3
Percentage of total metal sales | 37.40% | 36.30%
Customers exceeding 10% of annual metal sales |  |
Segmented Information |  |
Metal sales | $ 1,575.6 | $ 1,270.1
Customer 1 |  |
Segmented Information |  |
Metal sales | 648.6 | 517.3
Customer 2 |  |
Segmented Information |  |
Metal sales | 498.5 | 397.8
Customer 3 |  |
Segmented Information |  |
Metal sales | 428.5 | 355.0
Fort Knox | Operating segments |  |
Segmented Information |  |
Metal sales | 422.9 | 279.6
Fort Knox | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 36.1 | 11.3
Fort Knox | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales | 17.6 | 31.5
Fort Knox | Operating segments | Customer 3 |  |
Segmented Information |  |
Metal sales | 73.1 | 24.2
Round Mountain | Operating segments |  |
Segmented Information |  |
Metal sales | 565.5 | 502.2
Round Mountain | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 83.7 | 56.3
Round Mountain | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales | 22.9 | 49.0
Round Mountain | Operating segments | Customer 3 |  |
Segmented Information |  |
Metal sales | 81.6 | 14.5
Bald Mountain | Operating segments |  |
Segmented Information |  |
Metal sales | 330.5 | 249.2
Bald Mountain | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 48.3 | 17.0
Bald Mountain | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales | 14.9 | 40.4
Bald Mountain | Operating segments | Customer 3 |  |
Segmented Information |  |
Metal sales | 43.7 | 16.7
Paracatu | Operating segments |  |
Segmented Information |  |
Metal sales | 960.7 | 856.3
Paracatu | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 109.4 | 59.4
Paracatu | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales | 54.3 | 76.8
Paracatu | Operating segments | Customer 3 |  |
Segmented Information |  |
Metal sales | 121.5 | 181.1
Kupol | Operating segments |  |
Segmented Information |  |
Metal sales | 904.6 | 734.4
Kupol | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 100.6 | 145.4
Kupol | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales | 225.5 | 55.8
Tasiast | Operating segments |  |
Segmented Information |  |
Metal sales | 718.0 | 532.8
Tasiast | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 233.1 | 175.5
Tasiast | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales | 109.3 | 78.5
Tasiast | Operating segments | Customer 3 |  |
Segmented Information |  |
Metal sales | 45.0 | 66.6
Chirano | Operating segments |  |
Segmented Information |  |
Metal sales | 295.1 | 281.6
Chirano | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 36.8 | 51.7
Chirano | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales | 54.0 | 57.8
Chirano | Operating segments | Customer 3 |  |
Segmented Information |  |
Metal sales | 61.9 | 47.8
Corporate and other |  |
Segmented Information |  |
Metal sales | 16.1 | 61.2
Corporate and other | Operating segments | Customer 1 |  |
Segmented Information |  |
Metal sales | 0.6 | 0.7
Corporate and other | Operating segments | Customer 2 |  |
Segmented Information |  |
Metal sales |  | 8.0
Corporate and other | Operating segments | Customer 3 |  |
Segmented Information |  |
Metal sales | $ 1.7 | $ 4.1

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