| Inventories Table |
Inventories consisted of the following: | | | | | | | | | | | | | | September 30,
2016 | | December 31,
2015 | | September 30,
2015 | | ($ in millions) | Supplies | $ | 58.1 |
| | $ | 86.5 |
| | $ | 45.7 |
| Raw materials | 79.1 |
| | 91.5 |
| | 67.9 |
| Work in process | 114.7 |
| | 105.8 |
| | 29.0 |
| Finished goods | 405.9 |
| | 445.3 |
| | 153.4 |
| | 657.8 |
| | 729.1 |
| | 296.0 |
| LIFO reserve | (40.8 | ) | | (43.9 | ) | | (63.5 | ) | Inventories, net | $ | 617.0 |
| | $ | 685.2 |
| | $ | 232.5 |
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