BUSINESS COMBINATIONS (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended			5 Months Ended	0 Months Ended
	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Mar. 07, 2013	Dec. 20, 2012	Jul. 31, 2014
Business Acquisition [Line Items]
Net tangible assets acquired								$ 143,059,000
Acquisition-related charges		13,767,000	5,534,000	7,388,000
Total cash consideration	15,600,000
NMI potential earn-out		30,000,000
Earn-out on acquisition date		400,000
Goodwill		191,088,000	108,240,000	104,430,000	191,088,000
Ozmo potential earn-out		22,000,000
Deferred Tax Assets, Valuation Allowance		40,372,000	41,321,000		40,372,000
NMI [Member] [Member]
Business Acquisition [Line Items]
Acquisition-related charges		2,500,000
Total cash consideration		143,059,000	139,600,000
Goodwill		86,100,000			86,100,000			86,123,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount		55,200,000			55,200,000
Revenues					15,100,000
Goodwill [Member]
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments		1,900,000
income taxes payable [Member]
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments		300,000
Deferred Tax Asset [Domain]
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments		1,600,000
Integrated Device Technology [Member]
Business Acquisition [Line Items]
Intangible assets acquired						3,500,000
Net tangible assets acquired						1,374,000
Goodwill						5,389,000
Total purchase price						10,263,000
Number of employees acquired						20
Ozmo Inc. [Member]
Business Acquisition [Line Items]
Net tangible assets acquired							2,805,000
Total cash consideration							58,165,000
Goodwill							46,166,000
Total purchase price							64,421,000
Number of employees acquired							50
Business Acquisition, Cost of Acquired Entity Escrow Deposit							7,700,000
Fair value of contingent consideration (earn-out provision)				1,900,000			1,927,000
Deferred Tax Assets, Valuation Allowance							12,200,000
Deferred Bonus [Member] | NMI [Member] [Member]
Business Acquisition [Line Items]
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed		5,300,000
Bonus [Member] | NMI [Member] [Member]
Business Acquisition [Line Items]
Acquisition-related charges		$ 1,800,000