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Inventories (Changes in Inventory Reserve) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Change in the reserve for excess and obsolete inventory |  |  |
Write-down for inventory | $ 18,600 | $ 2,000 |
Inventory Valuation Reserve [Member] |  |  |
Change in the reserve for excess and obsolete inventory |  |  |
Balance, beginning of year | 0 | 2,744 | $ 2,752
Charged to costs and expenses | 0 | 358 | 1,330
Deductions | 0 | (3,102) | (1,338)
Balance, end of the year | $ 0 | $ 0 | $ 2,744

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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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