Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Depreciation	$ 16,464	$ 15,884	$ 16,088
Property and equipment [Abstract]
Gross	246,252	231,621
Accumulated depreciation	(146,871)	(135,798)
Total	99,381	95,823
Property and Equipment [Member] \| Geographic Concentration Risk [Member] \| United States
Property and equipment [Abstract]
Gross	$ 150,100	$ 140,000	$ 134,000
Property and Equipment [Member] \| Geographic Concentration Risk [Member] \| THAILAND
Property, Plant and Equipment [Line Items]
Concentration risk percentage	12.00%	13.00%
Property and Equipment [Member] \| Geographic Concentration Risk [Member] \| No Countries [Member]
Property, Plant and Equipment [Line Items]
Concentration risk percentage			10.00%
Land [Member]
Property and equipment [Abstract]
Gross	$ 20,288	$ 16,754
Construction-in-Progress [Member]
Property and equipment [Abstract]
Gross	2,298	8,068
Building and Improvements [Member]
Property and equipment [Abstract]
Gross	51,941	44,794
Machinery and Equipment [Member]
Property and equipment [Abstract]
Gross	128,342	124,138
Computer software and hardware and office furniture and fixtures [Member]
Property and equipment [Abstract]
Gross	$ 43,383	$ 37,867
Minimum [Member] \| Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life (in years)	4 years
Minimum [Member] \| Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful life (in years)	2 years
Minimum [Member] \| Computer software and hardware and office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful life (in years)	4 years
Maximum [Member] \| Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful life (in years)	40 years
Maximum [Member] \| Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful life (in years)	8 years
Maximum [Member] \| Computer software and hardware and office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful life (in years)	7 years