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GEOGRAPHIC AREAS AND MAJOR CUSTOMERS (Sales by Geographic Area as Percentage of Total Sales)(Details) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales by geographic area (as percentage of total sales): | 100.00% | 100.00% | 100.00%
USA [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales by geographic area (as percentage of total sales): | 23.00% | 20.00% | 40.00%
Europe [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales by geographic area (as percentage of total sales): | 6.00% | 8.00% | 2.00%
Japan [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales by geographic area (as percentage of total sales): | 1.00% | 3.00% | 5.00%
Asia Pacific excluding Japan [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales by geographic area (as percentage of total sales): | 70.00% | 69.00% | 53.00%

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- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration