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BUSINESS COMBINATION: ASSETS AND LIABILITIES (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Feb. 23, 2016
Business Acquisition [Line Items]        
Short-term investments       $ 108,862
Other current assets       34,114
Other long-term assets       9,638
Intangible assets       288,246
Goodwill $ 471,228   $ 471,228 270,485
Total assets       711,345
Current liabilities       (10,253)
Long-term liabilities       (6,428)
Total liabilities       (16,681)
Total preliminary purchase price allocation       $ 694,664
Material business combination EZchip [Member]        
Business Acquisition [Line Items]        
Business combination, acquisition related costs $ 300 $ 6,700