SIGNIFICANT CUSTOMERS AND EXPORT SALES (International Sales) (Details) (Geographic Concentration Risk [Member], Sales Revenue, Goods, Net [Member])	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	96.00%	95.00%	95.00%
Hong Kong/China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	39.00%	33.00%	26.00%
Taiwan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	21.00%	23.00%	30.00%
Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	16.00%	20.00%	22.00%
Western Europe Excluding Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	10.00%	8.00%	8.00%
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	6.00%	6.00%	4.00%
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	2.00%	2.00%	2.00%
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	1.00%	2.00%	2.00%
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage of net revenue	1.00%	1.00%	1.00%