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PROVISIONALLY PRICED SALES: (Details) lb in Millions, $ in Millions | Mar. 31, 2016 USD ($) lb $ / item
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Copper |
PROVISIONALLY PRICED SALES: |
Provisional price sales adjustment amounts included in accounts receivable and net sales | $ | $ (6.8)
Copper | April 2016 to July 2016 |
PROVISIONALLY PRICED SALES: |
Sales volume (in million lbs.) | lb | 141.0
Provisional price | $ / item | 2.19
Molybdenum |
PROVISIONALLY PRICED SALES: |
Provisional price sales adjustment amounts included in accounts receivable and net sales | $ | $ 3.2
Molybdenum | April 2016 to June 2016 |
PROVISIONALLY PRICED SALES: |
Sales volume (in million lbs.) | lb | 14.5
Provisional price | $ / item | 5.55

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