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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Leases        
2014 $ 2,503,000      
2015 2,516,000      
2016 1,154,000      
Future minimum lease payments 6,173,000      
Rent expense        
Rent expense 2,400,000 6,300,000 13,800,000  
Third Party Commissions        
Accrued commissions 100,000 100,000    
Accrued commissions released to cost of net sales   500,000    
Revenue recognized related to security agreements 0 0 0  
Deferred revenue related to contracts covered by security agreements 10,200,000 9,800,000 5,300,000  
Deferred costs related to contracts covered by security agreements 5,300,000 6,100,000 4,100,000  
Letter of credit:        
Outstanding letters of credit 14,700,000      
Outstanding purchase commitments, including agreements that are non-cancelable and cancelable without penalty 22,700,000      
Intellectual Property        
Claims made for valid enforceable IP 0      
Uncertain Tax Positions        
Gross unrecognized tax benefits 45,430,000 54,012,000 55,650,000 56,513,000
Unrecognized tax benefits that would impact the annual effective tax rate if recognized 10,019,000 12,298,000 13,554,000  
Unrecognized tax benefits related to deferred tax assets and federal tax benefit of state income tax items $ 35,400,000