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RESTRUCTURING (Details) (USD $) | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 2009 Restructuring Plan | Dec. 31, 2011 2009 Restructuring Plan | Dec. 31, 2010 2009 Restructuring Plan | Jun. 09, 2009 2009 Restructuring Plan Workforce Reduction | Dec. 31, 2012 2009 Restructuring Plan Workforce Reduction | Dec. 31, 2011 2009 Restructuring Plan Workforce Reduction item | Dec. 31, 2010 2009 Restructuring Plan Workforce Reduction | Jun. 09, 2009 2009 Restructuring Plan Workforce Reduction China and United States item | Dec. 31, 2012 2009 Restructuring Plan Lease Costs | Dec. 31, 2011 2009 Restructuring Plan Lease Costs | Dec. 31, 2010 2009 Restructuring Plan Lease Costs | Dec. 31, 2010 2009 Restructuring Plan Other Costs | Dec. 31, 2011 2008 Restructuring Plan | Dec. 31, 2010 2008 Restructuring Plan | Dec. 31, 2008 2008 Restructuring Plan | Dec. 31, 2011 2008 Restructuring Plan Workforce Reduction | Dec. 31, 2010 2008 Restructuring Plan Workforce Reduction | Dec. 31, 2008 2008 Restructuring Plan Workforce Reduction item | Dec. 31, 2008 2008 Restructuring Plan Workforce Reduction China item | Dec. 31, 2008 2008 Restructuring Plan Workforce Reduction Korea item | Dec. 31, 2008 2008 Restructuring Plan Workforce Reduction Other locations item | Dec. 31, 2010 2008 Restructuring Plan Lease Costs | Dec. 31, 2010 2008 Restructuring Plan Other Costs | Dec. 31, 2010 2007 Restructuring Plan Lease Costs
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in workforce as a percentage of the company's headcount |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in workforce |  |  |  |  |  |  |  |  | 50 |  | 2,300 |  |  |  |  |  |  |  |  |  | 750 | 350 | 200 | 200 |  |  |
Reversal of restructuring charges |  |  |  | $ 200,000 | $ 1,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total restructuring costs recorded |  |  |  | 58,400,000 |  |  |  |  |  |  |  |  |  |  |  | 19,700,000 |  |  |  |  |  |  |  |  |  |  |
Activity in the accrued restructuring balances related to the plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at the beginning of the period | 1,692,000 | 11,417,000 | 21,707,000 | 1,692,000 | 11,396,000 | 18,461,000 |  | 231,000 | 9,425,000 | 16,939,000 |  | 1,461,000 | 1,971,000 | 1,516,000 | 6,000 | 21,000 | 2,941,000 |  | 21,000 | 2,526,000 |  |  |  |  | 385,000 | 30,000 | 305,000
Restructuring Charges | 358,000 | 2,386,000 | 16,018,000 | 358,000 | 2,364,000 | 15,710,000 |  | 49,000 | 2,052,000 | 14,613,000 |  | 309,000 | 312,000 | 1,052,000 | 45,000 | 22,000 | 308,000 | 13,100,000 | 22,000 | 338,000 |  |  |  |  |  | (30,000) |
Cash Payments |  | (12,111,000) | (24,205,000) | (2,050,000) | (12,068,000) | (20,672,000) |  | (280,000) | (11,246,000) | (20,075,000) |  | (1,770,000) | (822,000) | (597,000) |  | (43,000) | (3,228,000) |  | (43,000) | (2,843,000) |  |  |  |  | (385,000) |  | (305,000)
Settlement of Stock -based Compensation |  |  | (2,103,000) |  |  | (2,103,000) |  |  |  | (2,052,000) |  |  |  |  | (51,000) |  |  |  |  |  |  |  |  |  |  |  |
Balance at the end of the period |  | $ 1,692,000 | $ 11,417,000 |  | $ 1,692,000 | $ 11,396,000 |  |  | $ 231,000 | $ 9,425,000 |  |  | $ 1,461,000 | $ 1,971,000 |  |  | $ 21,000 |  |  | $ 21,000 |  |  |  |  |  |  |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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