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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2011
Inventories [Abstract] |
Inventories | Inventories as of December 31, consisted of the following:
|  | 2011 |  |  | 2010 |
Inventories carried at LIFO: |  |  |  |  |  |
Finished goods |  | $ | 32,648 |  |  | $ | 31,355 |
Raw materials, production parts and work-in-process |  |  | 16,611 |  |  |  | 15,414 |
LIFO reserve |  |  | (27,926 | ) |  |  | (26,462 | )
Total LIFO inventories |  |  | 21,333 |  |  |  | 20,307 |
Inventories carried at FIFO: |  |  |  |  |  |  |  |
Finished goods |  |  | 31,912 |  |  |  | 23,770 |
Raw materials, production parts and work-in-process |  |  | 12,667 |  |  |  | 17,669 |
Total FIFO inventories |  |  | 44,579 |  |  |  | 41,439 |
Total Inventories |  | $ | 65,912 |  |  | $ | 61,746 |

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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 -Topic -SubTopic -Publisher SEC -Number 210 -Article 5 -Subparagraph a,b,c -Name Regulation S-X (SX) -Paragraph 6 -Section 2 + Details
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