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Inventories | 12 Months Ended
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Dec. 31, 2013
Inventory Disclosure [Abstract] |
Inventories | Inventories The Company's significant components of inventory at December 31, 2013 and 2012 were as follows (in thousands):
| December 31, 2013 |  | December 31, 2012
Raw materials and parts | $ | 139,573 |  |  | $ | 145,970 |
Work in process | 51,819 |  |  | 86,558 |
Finished goods | 276,076 |  |  | 243,726 |
Gross inventories | 467,468 |  |  | 476,254 |
Inventory reserve | (26,419 | ) |  | (21,125 | )
Inventories | $ | 441,049 |  |  | $ | 455,129 |
The change in the amounts of the inventory reserve during the three year period ended December 31, 2013 is as follows (in thousands):
Period ended |  | Balance at beginning of period |  | Charged to expense |  | Deductions or other |  | Balance at end of period
December 31, 2011 |  | $ | 10,106 |  |  | $ | 10,910 |  |  | $ | (3,576 | ) |  | $ | 17,440 |
December 31, 2012 |  | 17,440 |  |  | 6,107 |  |  | (2,422 | ) |  | 21,125 |
December 31, 2013 |  | 21,125 |  |  | 10,093 |  |  | (4,799 | ) |  | 26,419 |

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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 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: 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 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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