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Income Taxes (Details 2) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Components of Deferred Tax Assets and Liabilities [Line Items]    
Net operating loss carryforwards and credits deferred tax assets $ 116,567,000 $ 119,405,000
Depreciation deferred tax assets 7,163,000 14,555,000
Stock-based compensation deferred tax assets 22,684,000 25,024,000
Deferred compensation deferred tax assets 25,391,000 29,666,000
Revaluation of equity method investments deferred tax assets 3,832,000 3,919,000
Inventory deferred tax assets 3,651,000 3,658,000
Accrued liabilities and reserves deferred tax assets 23,268,000 36,711,000
Other deferred tax assets 15,289,000 19,038,000
Total deferred tax assets 217,845,000 251,976,000
Valuation allowance (94,952,000) (93,576,000)
Deferred tax assets, net of valuation allowance 122,893,000 158,400,000
Capitalized software deferred tax liabilities (18,012,000) (15,726,000)
Amortization deferred tax liabilities (3,798,000) (3,980,000)
Indefinite-lived intangibles deferred tax liabilities (18,840,000) (18,252,000)
Other deferred tax liabilities 0 (4,000)
Total deferred tax liabilities (40,650,000) (37,962,000)
Net deferred tax assets 82,243,000 120,438,000
Current net deferred tax assets 32,000,000 51,000,000
Noncurrent net deferred tax assets 69,000,000 69,000,000
Current net deferred tax liabilities 1,000,000  
Noncurrent net deferred tax liabilities 18,000,000  
Refinancing of inter-company debt [Member]
    
Components of Deferred Tax Assets and Liabilities [Line Items]    
Net operating loss carryforwards and credits deferred tax assets   111,000,000
Valuation allowance   (75,000,000)
Net operating losses and credits [Member]
    
Components of Deferred Tax Assets and Liabilities [Line Items]    
Deferred tax assets, net of valuation allowance $ 32,000,000