SIGNIFICANT CUSTOMERS AND EXPORT SALES (International Sales) (Details) (Sales Revenue, Goods, Net [Member], Geographic Concentration Risk [Member])	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	96.00%	95.00%
CHINA
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	47.00%	44.00%
TAIWAN, PROVINCE OF CHINA
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	13.00%	16.00%
KOREA, REPUBLIC OF
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	12.00%	11.00%
Western Europe Excluding Germany
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	12.00%	11.00%
Japan [Member]
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	5.00%	6.00%
Singapore [Member]
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	1.00%	2.00%
Germany [Member]
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	2.00%	2.00%
Other [Member]
Revenue from External Customers [Line Items]
Concentration risk, percentage of total net revenues	4.00%	3.00%