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Inventories | 6 Months Ended
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Jun. 30, 2015
Inventories [Abstract] |
Inventories | 11. Inventories Inventories are stated at the lower of cost or market, and are valued at average cost, net of reserves. Costs included in inventory are raw materials, labor, supplies, and allocable depreciation and overhead. The Company maintains reserves for possible impairment in the value of inventories. Such reserves can be specific to certain inventory, or general based on judgments about the overall condition of the inventory. General reserves are established based on percentage write-downs applied to aged inventories, or for inventories that are slow-moving. If actual results differ from estimates, additional inventory write-downs may be necessary. These general reserves for aged inventory are relieved through income only when the inventory is sold. As of June 30, 2015 and December 31, 2014, inventories consisted of the following:
(in thousands) |  | June 30, 2015 |  | December 31, 2014
Raw materials |  | $ | 25,942 |  |  | $ | 27,006 |
Work in process |  |  | 46,626 |  |  |  | 43,512 |
Finished goods |  |  | 37,062 |  |  |  | 36,756 |
Total inventories |  | $ | 109,630 |  |  | $ | 107,274 |

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- Definition The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income. + 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a, b, c -Article 5 + Details
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