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INVENTORIES | 3 Months Ended
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Mar. 31, 2012
Inventory Disclosure [Abstract] |
Inventory Disclosure [Text Block] | INVENTORIES Inventories consisted of the following (amounts in thousands):
| March 31, 2012 |  | December 31, 2011
Raw material | $ | 101,312 |  |  | $ | 97,257 |
Work-in-process | 31,751 |  |  | 31,141 |
Finished goods | 89,169 |  |  | 75,137 |
| 222,232 |  |  | 203,535 |
Adjustment to LIFO basis | (8,078 | ) |  | (12,663 | )
| $ | 214,154 |  |  | $ | 190,872 |
At March 31, 2012, approximately 31% of the Company's inventories were valued under the last-in, first-out (LIFO) method. At December 31, 2011, approximately 30% of the Company's inventories were valued under the LIFO method. The remaining inventories were valued under the first-in, first-out (FIFO) method or average cost method. All inventories are valued at lower of cost or market. The LIFO reserve decreased primarily as a result of the composition of inventory. An overall increase in raw material relative to total inventory resulted in a greater decrease in the FIFO cost versus the LIFO cost.

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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 AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 3 -Section A -Paragraph 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 Reference 4: 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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