Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions (Details)

v3.8.0.1
Business Acquisitions (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2017
Oct. 03, 2016
Sep. 30, 2017
Dec. 31, 2016
Consideration transferred in acquisition        
Cash consideration     $ 445  
Estimated fair values of the assets acquired and liabilities assumed        
Goodwill $ 432,746   432,746 $ 431,936
FolioDynamics        
Consideration transferred in acquisition        
Cash consideration     195,000  
Wheelhouse Analytics, LLC        
Consideration transferred in acquisition        
Cash consideration 13,299 $ 13,299    
Contingent consideration, maximum   $ 4,000    
Contingent consideration liability 2,364      
Purchase consideration liability 887      
Working capital adjustment 110      
Cash acquired (80)      
Total 16,580      
Estimated fair values of the assets acquired and liabilities assumed        
Total tangible assets acquired 385   385  
Total liabilities assumed (1,420)   (1,420)  
Identifiable intangible assets 6,600   6,600  
Goodwill 11,015   11,015  
Total net assets acquired 16,580   16,580  
Intangible assets        
Intangible assets acquired, Amount 6,600      
Wheelhouse Analytics, LLC | Preliminary Estimate        
Consideration transferred in acquisition        
Cash consideration 13,299      
Contingent consideration liability 2,582      
Purchase consideration liability 887      
Working capital adjustment 110      
Cash acquired (80)      
Total 16,798      
Estimated fair values of the assets acquired and liabilities assumed        
Total tangible assets acquired 399   399  
Total liabilities assumed (1,459)   (1,459)  
Identifiable intangible assets 7,300   7,300  
Goodwill 10,558   10,558  
Total net assets acquired 16,798   16,798  
Intangible assets        
Intangible assets acquired, Amount 7,300      
Wheelhouse Analytics, LLC | Measurement Period Adjustments        
Consideration transferred in acquisition        
Contingent consideration liability (218)      
Total (218)      
Estimated fair values of the assets acquired and liabilities assumed        
Total tangible assets acquired (14)   (14)  
Total liabilities assumed 39   39  
Identifiable intangible assets (700)   (700)  
Goodwill 457   457  
Total net assets acquired (218)   $ (218)  
Intangible assets        
Intangible assets acquired, Amount (700)      
Wheelhouse Analytics, LLC | Customer lists        
Intangible assets        
Intangible assets acquired, Amount 4,000      
Intangible assets acquired, Useful Life In Years   15 years    
Wheelhouse Analytics, LLC | Customer lists | Preliminary Estimate        
Intangible assets        
Intangible assets acquired, Amount 4,100      
Wheelhouse Analytics, LLC | Customer lists | Measurement Period Adjustments        
Intangible assets        
Intangible assets acquired, Amount (100)      
Wheelhouse Analytics, LLC | Proprietary technologies        
Intangible assets        
Intangible assets acquired, Amount 2,500      
Intangible assets acquired, Useful Life In Years   6 years    
Wheelhouse Analytics, LLC | Proprietary technologies | Preliminary Estimate        
Intangible assets        
Intangible assets acquired, Amount 3,000      
Wheelhouse Analytics, LLC | Proprietary technologies | Measurement Period Adjustments        
Intangible assets        
Intangible assets acquired, Amount (500)      
Wheelhouse Analytics, LLC | Trade names and domains        
Intangible assets        
Intangible assets acquired, Amount 100      
Intangible assets acquired, Useful Life In Years   2 years    
Wheelhouse Analytics, LLC | Trade names and domains | Preliminary Estimate        
Intangible assets        
Intangible assets acquired, Amount 200      
Wheelhouse Analytics, LLC | Trade names and domains | Measurement Period Adjustments        
Intangible assets        
Intangible assets acquired, Amount $ (100)