Quarterly report pursuant to Section 13 or 15(d)

Acquisitions, Investments, and Licenses - Acquisition Narrative (Details)

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Acquisitions, Investments, and Licenses - Acquisition Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 20, 2015
May. 05, 2015
May. 31, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Apr. 17, 2014
Business Acquisition [Line Items]                
In-process research and development       $ 0 $ 0 $ 0 $ 10,055  
Common Stock                
Business Acquisition [Line Items]                
Stock price $ 12.38 $ 13.88            
Bio-Reference                
Business Acquisition [Line Items]                
Cash paid at closing date $ 950,010              
Common stock value $ 2,259              
Revenues           102,100    
Net income (loss)           6,800    
Bio-Reference | Common Stock                
Business Acquisition [Line Items]                
Common stock received 76,566,147              
Acquired entity share price $ 34.05              
EirGen                
Business Acquisition [Line Items]                
Cash paid at closing date   $ 100,200            
Common stock value   33,600            
Revenues           7,600    
Net income (loss)           100    
Acquisition related costs           500    
Consideration transferred   $ 133,800            
EirGen | Common Stock                
Business Acquisition [Line Items]                
Common stock received   2,420,487            
Inspiro                
Business Acquisition [Line Items]                
Common stock received     999,556          
Cash paid at closing date     $ 1,500          
Common stock value               $ 8,600
Inspiro stock purchase agreement percent     100.00%          
In-process research and development     $ 10,100          
Selling, General and Administrative Expenses | Bio-Reference                
Business Acquisition [Line Items]                
Acquisition related costs           $ 6,200    
Trade names | Bio-Reference                
Business Acquisition [Line Items]                
Useful life           5 years    
Internally developed software | Bio-Reference                
Business Acquisition [Line Items]                
Useful life           3 years    
Minimum | Customer relationships | Bio-Reference                
Business Acquisition [Line Items]                
Useful life           10 years    
Minimum | Technology | Bio-Reference                
Business Acquisition [Line Items]                
Useful life           8 years    
Minimum | IPR&D assets | EirGen                
Business Acquisition [Line Items]                
Useful life   3 years            
Maximum | Customer relationships | Bio-Reference                
Business Acquisition [Line Items]                
Useful life           20 years    
Maximum | Technology | Bio-Reference                
Business Acquisition [Line Items]                
Useful life           12 years    
Maximum | IPR&D assets | EirGen                
Business Acquisition [Line Items]                
Useful life   20 years