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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property and Equipment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Property, Plant and Equipment [Line Items] |  |  |
Depreciation | $ 16,812 | $ 16,464 | $ 15,884
Property and equipment [Abstract] |  |  |
Gross | 257,437 | 246,252 |
Accumulated depreciation | (162,141) | (146,871) |
Total | 95,296 | 99,381 |
Property and Equipment [Member] | Geographic Concentration Risk [Member] | United States |  |  |
Property and equipment [Abstract] |  |  |
Gross | $ 155,100 | $ 150,100 | $ 140,000
Property and Equipment [Member] | Geographic Concentration Risk [Member] | THAILAND |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Concentration risk percentage | 12.00% | 12.00% | 13.00%
Land |  |  |
Property and equipment [Abstract] |  |  |
Gross | $ 20,288 | $ 20,288 |
Construction-in-progress |  |  |
Property and equipment [Abstract] |  |  |
Gross | 6,880 | 2,298 |
Building and improvements |  |  |
Property and equipment [Abstract] |  |  |
Gross | 52,156 | 51,941 |
Machinery and equipment |  |  |
Property and equipment [Abstract] |  |  |
Gross | 132,162 | 128,342 |
Computer software and hardware and office furniture and fixtures |  |  |
Property and equipment [Abstract] |  |  |
Gross | $ 45,951 | $ 43,383 |
Minimum [Member] | Building and improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 4 years |  |
Minimum [Member] | Machinery and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 2 years |  |
Minimum [Member] | Computer software and hardware and office furniture and fixtures |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 4 years |  |
Maximum [Member] | Building and improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 40 years |  |
Maximum [Member] | Machinery and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 8 years |  |
Maximum [Member] | Computer software and hardware and office furniture and fixtures |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 7 years |  |

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 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 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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