OPERATING AND GEOGRAPHICAL SEGMENTS (Schedule of Geographic Sources of Revenue) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Total net revenue	$ 1,413,334	$ 1,386,447	$ 1,432,110
China, including Hong Kong [Member]
Segment Reporting Information [Line Items]
Total net revenue	435,958	417,617	451,642
United States [Member]
Segment Reporting Information [Line Items]
Total net revenue	211,532	192,878	189,699
Germany [Member]
Segment Reporting Information [Line Items]
Total net revenue	204,257	199,298	175,930
South Korea [Member]
Segment Reporting Information [Line Items]
Total net revenue	119,886	142,476	178,547
Rest of Asia-Pacific [Member]
Segment Reporting Information [Line Items]
Total net revenue	102,643	120,290	72,128
Rest of Europe [Member]
Segment Reporting Information [Line Items]
Total net revenue	139,458	128,841	149,104
Taiwan [Member]
Segment Reporting Information [Line Items]
Total net revenue	60,632	51,830	67,806
Singapore [Member]
Segment Reporting Information [Line Items]
Total net revenue	55,536	44,957	41,637
Japan [Member]
Segment Reporting Information [Line Items]
Total net revenue	37,066	41,533	51,141
France [Member]
Segment Reporting Information [Line Items]
Total net revenue	15,499	26,270	28,343
Rest of the World [Member]
Segment Reporting Information [Line Items]
Total net revenue	$ 30,867	$ 20,457	$ 26,133