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Inventories | 9 Months Ended
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Sep. 30, 2020
Inventory Disclosure [Abstract] |
Inventories | Inventories Inventories consist of the following:
| September 30, 2020 |  | December 31, 2019
Raw materials | $ | 83.0 |  |  | $ | 68.3 |
Work in process | 594.9 |  |  | 618.4 |
Finished goods | 829.5 |  |  | 1,219.3 |
Final price deferred(a) | 56.1 |  |  | 47.9 |
Operating materials and supplies | 117.8 |  |  | 122.5 |
| $ | 1,681.3 |  |  | $ | 2,076.4 |
______________________________ (a)Final price deferred is product that has shipped to customers, but the price has not yet been agreed upon.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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