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v3.19.1

Inventories (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Inventory [Line Items] |  |  |
Raw materials and supplies | $ 212.5 |  | $ 191.5
Work-in-process | 941.3 |  | 914.1
Finished goods | 192.4 |  | 191.1
Total inventories at current cost | 1,346.2 |  | 1,296.7
Adjustment from current cost to LIFO cost basis | 4.7 |  | 2.9
Inventory valuation reserves | (96.5) |  | (88.5)
Total inventories, net | 1,254.4 |  | 1,211.1
LIFO benefit (charge) | 1.8 | $ (8.2) |
NRV benefit (charge) | (1.9) | 8.2 |
Net cost of sales impact | (0.1) | $ 0.0 |
Net Realizable Value Reserve [Member] |  |  |
Inventory [Line Items] |  |  |
Inventory valuation reserves | $ (9.9) |  | $ (8.0)

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