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DIVESTITURES (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash portion of sales price $ 0 $ 4,502,000 $ 3,502,000  
Sale Of Softimage 3D Product Line [Member]
       
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash portion of sales price       26,500,000
Total sales price       33,500,000
Goodwill of business unit sold       15,800,000
Amortizing intangible assets sold       200,000
Gain on disposal of business   3,500,000 3,500,000 11,500,000
Sale Of PCTV Product Line [Member]
       
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash portion of sales price       2,200,000
Total sales price       4,700,000
Gain on disposal of business   500,000    
Note receivable issued as a portion of sales price       2,500,000
Inventory classified as held-for-sale     400,000 7,500,000
Loss (gain) on the sale of inventory classified as held-for-sale $ 600,000   $ 3,200,000