BUSINESS COMBINATIONS ADVANCE DIGITAL DESIGN (DETAILS) (Advanced Digital Design S A [Member], USD $)	1 Months Ended	12 Months Ended
	Oct. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Oct. 06, 2011
Advanced Digital Design S A [Member]
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid				$ 19,915,000
Business Acquisition, Purchase Price Allocation, Net Tangible Assets				4,879,000
Business Acquisition, Cost of Acquired Entity Escrow Deposit				4,500,000
Escrow Deposit to be Released Period First Related to Entity Acquistion	18 months
Escrow Deposit to be Released Period Second Related to Entity Acquistion	36 months
Business Acquisition, Purchase Price Allocation, Goodwill Amount				13,724,000
Amortization of intangible assets		1,421,000	375,000
Compensation-related expense - cash		1,793,000	944,000
Business Combination, Cash Compensation Related Expense Accelerated			400,000
Business Acquisition, Cost of Acquired Entity, Transaction Costs			$ 700,000