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Inventories | 12 Months Ended
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Dec. 31, 2017
Inventory Disclosure [Abstract] |
Inventories | Inventories: The components of inventories are as follows (in millions):
| As of December 31,
| 2017 |  | 2016
Finished goods | $ | 331.9 |  |  | $ | 287.2 |
Work in process | 5.5 |  |  | 5.1 |
Raw materials and parts | 199.2 |  |  | 183.4 |
Total | 536.6 |  |  | 475.7 |
Excess of current cost over last-in, first-out cost | (52.4 | ) |  | (57.2 | )
Total inventories, net | $ | 484.2 |  |  | $ | 418.5 |
The Company recorded no pre-tax loss in 2017, pre-tax loss of $0.2 million in 2016 and pre-tax loss of $0.2 million in 2015 from LIFO inventory liquidations. Reserve balances, primarily related to obsolete and slow-moving inventories, were $20.1 million and $19.7 million at December 31, 2017 and December 31, 2016, respectively.

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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