BUSINESS COMBINATIONS Ozmo (DETAILS) (USD $)	3 Months Ended	12 Months Ended				12 Months Ended						12 Months Ended
	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Integrated Device Technology [Member]	Dec. 31, 2012 Ozmo Inc.	Dec. 20, 2012 Ozmo Inc.	Dec. 20, 2012 Customer Relationships [Member] Ozmo Inc.	Dec. 20, 2012 Developed Technology Rights [Member] Ozmo Inc.	Dec. 20, 2012 Noncompete Agreements [Member] Ozmo Inc.	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2012 Maximum [Member] Customer relationship acquired [Domain]	Dec. 31, 2013 Maximum [Member] Customer Relationships [Member] Integrated Device Technology [Member]	Dec. 31, 2012 Maximum [Member] Developed Technology Rights [Member]	Dec. 31, 2012 Maximum [Member] Noncompete Agreements [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2012 Minimum [Member] Developed Technology Rights [Member]	Dec. 31, 2012 Minimum [Member] Noncompete Agreements [Member]
Business Acquisition [Line Items]
Developed technology acquired						$ 2,100,000
Business Combination, Consideration Transferred, Shareholders' Equity Interest							58,165,000
Business Acquisition, Cost of Acquired Entity, Cash Paid	15,600,000					10,263,000	64,421,000
Net tangible assets acquired						1,374,000
Customer relationships acquired						1,200,000
Number of employees acquired						20	50
Business Acquisition, Cost of Acquired Entity Escrow Deposit								7,700,000
Business Acquisition, Contingent Consideration, Potential Cash Payment (Deprecated 2013-01-31)		(22,000,000)
Eligible earnout amount based on achieving certain revenue targets and continuing employment							1,927,000
BusinessCombinationRecognizedIdentifiableLiabilitiesAssumed							861,000
Business Combination, Consideration Transferred, Acquired Entity Unvested Shares							237,000
Transaction costs incurred							1,816,000
Business Combination, Consideration Transferred, Liabilities Incurred							(1,415,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tangible Assets								(2,805,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets								(15,450,000)	(2,650,000)	(12,020,000)	(780,000)
Estimated Useful Life (in years)												5 years	3 years	3 years	6 years	3 years	3 years	4 years	1 year
Goodwill			108,240,000	104,430,000	67,662,000	5,389,000		46,166,000
Deferred Tax Assets, Valuation Allowance			41,321,000	41,271,000				12,200,000
Backlog acquired						200,000
Intangible acquired						$ 3,500,000