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Inventories | 12 Months Ended
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Dec. 31, 2018
Inventory Disclosure [Abstract] |
Inventories |
8. | Inventories
Inventories as of December 31 consisted of the following:
| 2018 |  | 2017
Inventories carried at LIFO: |  |  |
Finished goods | $ | 48,607 |  |  | $ | 43,439 |
Raw materials, production parts and work-in-process | 28,581 |  |  | 23,694 |
Excess of FIFO over LIFO cost (a) | (31,199 | ) |  | (28,429 | )
Total LIFO inventories | $ | 45,989 |  |  | $ | 38,704 |
Inventories carried at FIFO: |  |  |
Finished goods | $ | 53,520 |  |  | $ | 54,161 |
Raw materials, production parts and work-in-process | 35,624 |  |  | 34,829 |
Total FIFO inventories | $ | 89,144 |  |  | $ | 88,990 |
Total inventories | $ | 135,133 |  |  | $ | 127,694 |
(a) Inventories of $45,989 as of December 31, 2018, and $38,704 as of December 31, 2017, were valued at LIFO. The difference between replacement cost and the stated LIFO inventory value is not materially different from the reserve for the LIFO valuation method.

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