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Inventories (Tables) | 3 Months Ended
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Mar. 31, 2015
Inventory Disclosure [Abstract] |
Inventories | Inventories are valued at the lower of cost or market. Inventories at March 31, 2015 and December 31, 2014 consisted of the following:
| March 31, 2015 |  | December 31, 2014
Inventories carried at LIFO: |  |  |
Finished goods | $ | 45,589 |  |  | $ | 41,687 |
Raw materials, production parts and work-in-process | 26,113 |  |  | 24,458 |
LIFO reserve | (28,166 | ) |  | (28,166 | )
Total LIFO inventories | 43,536 |  |  | 37,979 |
Inventories carried at FIFO: |  |  |  |  |
Finished goods | 29,685 |  |  | 29,851 |
Raw materials, production parts and work-in-process | 12,390 |  |  | 12,681 |
Total FIFO inventories | 42,075 |  |  | 42,532 |
Total inventories | $ | 85,611 |  |  | $ | 80,511 |

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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