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Goodwill and Intangible Assets Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Goodwill [Line Items]            
Goodwill, Impairment Loss $ 0   $ 0 $ 59,816 $ 0  
Goodwill 586,235     586,235   $ 646,680
Amortization of Intangible Assets $ 3,200   $ 4,300 $ 6,400 $ 8,800  
Strategy and Innovation [Member]            
Goodwill [Line Items]            
Goodwill, Impairment Loss   $ 49,900        
Goodwill   37,500        
Life Sciences [Member]            
Goodwill [Line Items]            
Goodwill, Impairment Loss   $ 9,900        
Measurement Input, Long-term Revenue Growth Rate [Member] | Strategy and Innovation [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   3.00%        
Measurement Input, Long-term Revenue Growth Rate [Member] | Life Sciences [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   3.00%        
Measurement Input, Long-term EBITDA margin [Domain] | Strategy and Innovation [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   24.80%        
Measurement Input, Long-term EBITDA margin [Domain] | Life Sciences [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   6.70%        
Measurement Input, Discount Rate [Member] | Strategy and Innovation [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   16.00%        
Measurement Input, Discount Rate [Member] | Life Sciences [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   10.50%        
Measurement Input, Revenue Multiple [Member] | Minimum | Strategy and Innovation [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   120.00%        
Measurement Input, Revenue Multiple [Member] | Minimum | Life Sciences [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   30.00%        
Measurement Input, Revenue Multiple [Member] | Maximum | Strategy and Innovation [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   170.00%        
Measurement Input, Revenue Multiple [Member] | Maximum | Life Sciences [Member]            
Goodwill [Line Items]            
Fair Value of Reporting Unit, Measurement Input   40.00%