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OPERATING AND GEOGRAPHICAL SEGMENTS (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
distributor
Dec. 31, 2014
USD ($)
Customer
distributor
Dec. 31, 2013
USD ($)
Percentage
distributor
Segment Reporting Information [Line Items]      
Goodwill $ 188,237 $ 191,088 $ 108,240
Intangible assets, net 38,943 50,286  
Non-current deferred tax assets $ 157,929 $ 117,278  
Major Distributor with Largest Balance [Member] | Sales Revenue, Goods, Net [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 18.00%    
Major Customer with Largest Balance [Member] | Sales Revenue, Goods, Net [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage     12.00%
Major Customer with Second Largest Balance [Member] | Sales Revenue, Goods, Net [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 10.00%    
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]      
Segment Reporting Information [Line Items]      
Number of customers with concentration risk | Percentage     1
Concentration Risk, Number of Major Distributor | distributor 2 2 1
Credit Concentration Risk [Member] | Accounts Receivable [Member]      
Segment Reporting Information [Line Items]      
Number of customers with concentration risk 0 0  
Concentration Risk, Number of Major Distributor | distributor 2 2  
Credit Concentration Risk [Member] | Major Customer with Largest Balance [Member] | Accounts Receivable [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 10.00%    
Auction Rate Securities [Member]      
Segment Reporting Information [Line Items]      
Fair value of investment $ 1,066    
Major Distributor with Largest Balance [Member] | Customer Concentration Risk [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage   16.00%  
Major Distributor with Largest Balance [Member] | Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 18.00%   14.00%
Major Distributor with Largest Balance [Member] | Credit Concentration Risk [Member] | Accounts Receivable [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 16.00% 17.00%  
Major Distributor with Second Largest Balance [Member] | Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage   10.00%  
Major Distributor with Second Largest Balance [Member] | Credit Concentration Risk [Member] | Accounts Receivable [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 12.00% 11.00%