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SEGMENTED INFORMATION (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
OPERATING SEGMENT RESULTS |  |  |  |
Gold revenues |  |  | $ 434.4 | $ 368.2
Copper revenues |  |  | 187.3 | 226.1
Silver revenues |  |  | 8.9 | 10.2
Total revenues |  |  | 630.6 | 604.5
Operating expenses |  |  | 371.9 | 325.4
Depreciation and depletion |  |  | 240.6 | 239.9
Revenue less cost of goods sold |  |  | 18.1 | 39.2
Corporate administration |  |  | 17.6 | 23.2
Corporate restructuring | [1] |  | 1.1 | 4.1
Share-based payment expenses |  |  | 1.7 | 0.7
Asset Impairment |  | $ 671.1 | 0.0 | 1,054.8
Exploration and business development |  |  | 5.6 | 3.0
(Loss) income from operations |  |  | (7.9) | (1,046.6)
Rainy River |  |  |  |
OPERATING SEGMENT RESULTS |  |  |  |
Gold revenues |  |  | 354.2 | 270.6
Copper revenues |  |  | 0.0 | 0.0
Silver revenues |  |  | 4.7 | 3.8
Total revenues |  |  | 358.9 | 274.4
Operating expenses |  |  | 258.4 | 179.9
Depreciation and depletion |  |  | 93.9 | 78.3
Revenue less cost of goods sold |  |  | 6.6 | 16.2
Corporate administration |  |  | 0.0 | 0.0
Corporate restructuring |  |  | 0.0 | 0.0
Share-based payment expenses |  |  | 0.0 | 0.0
Asset Impairment |  |  |  | 836.6
Exploration and business development |  |  | 1.4 | 0.5
(Loss) income from operations |  |  | 5.2 | (820.9)
New Afton |  |  |  |
OPERATING SEGMENT RESULTS |  |  |  |
Gold revenues |  |  | 80.2 | 83.8
Copper revenues |  |  | 187.3 | 226.1
Silver revenues |  |  | 4.2 | 4.2
Total revenues |  |  | 271.7 | 314.1
Operating expenses |  |  | 113.5 | 104.3
Depreciation and depletion |  |  | 146.7 | 158.2
Revenue less cost of goods sold |  |  | 11.5 | 51.6
Corporate administration |  |  | 0.0 | 0.0
Corporate restructuring |  |  | 0.0 | 0.0
Share-based payment expenses |  |  | 0.0 | 0.0
Asset Impairment |  |  |  | 0.0
Exploration and business development |  |  | 3.1 | 0.5
(Loss) income from operations |  |  | 8.4 | 51.1
Corporate |  |  |  |
OPERATING SEGMENT RESULTS |  |  |  |
Gold revenues |  |  | 0.0 | 0.0
Copper revenues |  |  | 0.0 | 0.0
Silver revenues |  |  | 0.0 | 0.0
Total revenues |  |  | 0.0 | 0.0
Operating expenses |  |  | 0.0 | 0.0
Depreciation and depletion |  |  | 0.0 | 0.0
Revenue less cost of goods sold |  |  | 0.0 | 0.0
Corporate administration |  |  | 17.6 | 23.2
Corporate restructuring |  |  | 1.1 | 4.1
Share-based payment expenses |  |  | 1.7 | 0.7
Asset Impairment |  |  |  | 0.0
Exploration and business development |  |  | 1.1 | 1.9
(Loss) income from operations |  |  | (21.5) | (29.9)
Other segment [Member] |  |  |  |
OPERATING SEGMENT RESULTS |  |  |  |
Gold revenues |  |  | 0.0 | 13.8
Copper revenues |  |  | 0.0 | 0.0
Silver revenues |  |  | 0.0 | 2.2
Total revenues |  |  | 0.0 | 16.0
Operating expenses |  |  | 0.0 | 41.2
Depreciation and depletion |  |  | 0.0 | 3.4
Revenue less cost of goods sold |  |  | 0.0 | (28.6)
Corporate administration |  |  | 0.0 | 0.0
Corporate restructuring |  |  | 0.0 | 0.0
Share-based payment expenses |  |  | 0.0 | 0.0
Asset Impairment |  |  |  | 218.2
Exploration and business development |  |  | 0.0 | 0.1
(Loss) income from operations |  |  | $ 0.0 | $ (246.9)
[1] | During 2019 and 2018, the Company recognized restructuring charges of $1.1 million and $4.1million respectively related to severance and other termination benefits.

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