SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended															3 Months Ended			3 Months Ended				3 Months Ended			3 Months Ended			3 Months Ended				3 Months Ended
	Mar. 31, 2014 ProductLine Region	Mar. 31, 2013	Mar. 31, 2014 North Asia [Member]	Mar. 31, 2013 North Asia [Member]	Mar. 31, 2014 Greater China [Member]	Mar. 31, 2013 Greater China [Member]	Mar. 31, 2014 Americas [Member]	Mar. 31, 2013 Americas [Member]	Mar. 31, 2014 South Asia/Pacific [Member]	Mar. 31, 2013 South Asia/Pacific [Member]	Mar. 31, 2014 Europe - By Region [Member]	Mar. 31, 2013 Europe - By Region [Member]	Mar. 31, 2014 Japan [Member]	Mar. 31, 2013 Japan [Member]	Dec. 31, 2013 Japan [Member]	Mar. 31, 2014 South Korea [Member]	Mar. 31, 2013 South Korea [Member]	Dec. 31, 2013 South Korea [Member]	Mar. 31, 2013 Hong Kong [Member]	Sep. 30, 2012 Hong Kong [Member]	Mar. 31, 2014 Hong Kong [Member]	Dec. 31, 2013 Hong Kong [Member]	Mar. 31, 2014 United States [Member]	Mar. 31, 2013 United States [Member]	Dec. 31, 2013 United States [Member]	Mar. 31, 2014 Mainland China [Member]	Mar. 31, 2013 Mainland China [Member]	Dec. 31, 2013 Mainland China [Member]	Mar. 31, 2013 Taiwan [Member]	Sep. 30, 2012 Taiwan [Member]	Mar. 31, 2014 Taiwan [Member]	Dec. 31, 2013 Taiwan [Member]	Mar. 31, 2013 Malaysia [Member]	Sep. 30, 2012 Malaysia [Member]	Mar. 31, 2014 Malaysia [Member]	Dec. 31, 2013 Malaysia [Member]
SEGMENT INFORMATION [Abstract]
Number of geographic regions	5
Number of product lines	3
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 671,061	$ 541,305	$ 195,461	$ 185,910	$ 278,929	$ 170,822	$ 71,194	$ 66,957	$ 79,909	$ 75,692	$ 45,568	$ 41,924	$ 114,000	$ 81,095		$ 81,461	$ 104,815		$ 30,948	$ 19,031			$ 54,822	$ 56,886		$ 212,217	$ 119,665		$ 35,764	$ 32,126			$ 19,049	$ 18,043
Long-lived assets													$ 21,660		$ 14,345	$ 11,261		$ 9,970			$ 2,352	$ 2,497	$ 274,489		$ 273,388	$ 89,967		$ 82,726			$ 1,938	$ 1,928			$ 1,327	$ 1,463