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Select Balance Sheet Details - Intangible Assets, Net (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]          
Amortization $ 1,600,000 $ 2,700,000 $ 3,200,000 $ 5,400,000  
Intangible assets, Gross 82,142,000   82,142,000   83,296,000
Less accumulated amortization (46,730,000)   (46,730,000)   (44,232,000)
Intangible assets, net 35,412,000   35,412,000   39,064,000
Developed product technology [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, Gross 23,564,000   23,564,000   23,633,000
Developed product technology [Member] | Minimum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     3 years    
Developed product technology [Member] | Maximum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     8 years    
Distribution rights [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     3 years    
Intangible assets, Gross 2,413,000   2,413,000   2,343,000
Intellectual property [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     5 years    
Intangible assets, Gross 1,004,000   1,004,000   1,004,000
License agreements [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, Gross 16,716,000   16,716,000   17,686,000
License agreements [Member] | Minimum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     1 year    
License agreements [Member] | Maximum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     7 years    
Core technology [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     10 years    
Intangible assets, Gross 5,100,000   5,100,000   5,137,000
Trademarks and trade names [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, Gross 3,897,000   3,897,000   3,920,000
Trademarks and trade names [Member] | Minimum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     3 years    
Trademarks and trade names [Member] | Maximum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     9 years    
Customer-related [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, Gross 22,057,000   22,057,000   22,161,000
Customer-related [Member] | Minimum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     12 years    
Customer-related [Member] | Maximum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     15 years    
Distribution network [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, Gross 4,027,000   4,027,000   4,027,000
Distribution network [Member] | Minimum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     10 years    
Distribution network [Member] | Maximum [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     12 years    
Physician education programs [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     10 years    
Intangible assets, Gross 3,139,000   3,139,000   3,160,000
Supply Agreement [Member]
         
Finite-Lived Intangible Assets [Line Items]          
Useful lives     10 years    
Intangible assets, Gross $ 225,000   $ 225,000   $ 225,000