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Inventories (Tables) | 6 Months Ended
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Jun. 30, 2015
Inventory Disclosure [Abstract] |
Inventories | Inventories at June 30, 2015 and December 31, 2014 were as follows (in millions):
| June 30, 2015 |  | December 31, 2014
Raw materials and supplies | $ | 239.2 |  |  | $ | 249.3 |
Work-in-process | 1,166.3 |  |  | 1,184.1 |
Finished goods | 191.8 |  |  | 172.2 |
Total inventories at current cost | 1,597.3 |  |  | 1,605.6 |
Adjustment from current cost to LIFO cost basis | 9.3 |  |  | 4.8 |
Inventory valuation reserves | (71.0 | ) |  | (68.8 | )
Progress payments | (62.7 | ) |  | (68.8 | )
Total inventories, net | $ | 1,472.9 |  |  | $ | 1,472.8 |

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