GOODWILL AND INTANGIBLE ASSETS, NET (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Patented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 1.9	$ 2.3	$ 3.7
Acquisition Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	8.9	6.0	5.6
For developed technology [Member] | Acquisition Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 2.0	$ 1.0	$ 1.5