GOODWILL (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) Segment	Dec. 31, 2016 USD ($)
Goodwill [Abstract]
Number of segments | Segment	7
Goodwill	$ 114,954	$ 114,954
Mainland China [Member]
Goodwill [Abstract]
Goodwill	32,179	32,179	[1]
South Korea [Member]
Goodwill [Abstract]
Goodwill	29,261	29,261	[1]
South Asia/Pacific [Member]
Goodwill [Abstract]
Goodwill	18,537	18,537	[1]
Americas [Member]
Goodwill [Abstract]
Goodwill	9,449	9,449	[1]
Japan [Member]
Goodwill [Abstract]
Goodwill	16,019	16,019	[1]
Hong Kong/Taiwan [Member]
Goodwill [Abstract]
Goodwill	6,634	6,634	[1]
EMEA [Member]
Goodwill [Abstract]
Goodwill	$ 2,875	$ 2,875	[1]

[1] Goodwill was recast to reflect current period presentation by geographic region at December 31, 2016.