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Inventories | 12 Months Ended
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Dec. 31, 2016
Inventories [Abstract] |
Inventories | Note 6. Inventory ﻿ Inventories at December 31, 2016 and 2015 are summarized in the following table: ﻿
﻿ |  |  |  |
﻿ |  |  |  |
﻿ |  | December 31, |  | December 31,
﻿ |  | 2016 |  | 2015
﻿ |  |
﻿Finished goods | $ | 46,673 | $ | 62,547
﻿Work-in-process |  | 21,716 |  | 20,178
﻿Raw materials |  | 18,032 |  | 19,492
﻿Total inventories at current costs |  | 86,421 |  | 102,217
﻿Less: LIFO reserve |  | (3,178) |  | (5,821)
﻿ | $ | 83,243 | $ | 96,396
﻿ At December 31, 2016 and 2015, the LIFO carrying value of inventories for book purposes exceeded the LIFO value for tax purposes by approximately $8,925 and $5,046, respectively. At December 31, 2016, 2015, and 2014 liquidation of certain LIFO inventory layers carried at costs that were higher than the costs of current purchases resulted in increases in cost of goods sold of $1,304, $115 and $6, 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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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