Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions (Details)

v3.7.0.1
Business Acquisitions (Details) - USD ($)
$ in Thousands
 6 Months Ended 9 Months Ended
Jun. 30, 2017
Oct. 03, 2016
Jun. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Consideration transferred in acquisition          
Cash consideration     $ 445    
Estimated fair values of the assets acquired and liabilities assumed          
Goodwill $ 432,850   432,850 $ 432,850 $ 431,936
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   385 385  
Total liabilities assumed (1,420)   (1,420) (1,420)  
Identifiable intangible assets 6,600   6,600 6,600  
Goodwill 11,015   11,015 11,015  
Total net assets acquired 16,580   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      
Total liabilities assumed   (1,459)      
Identifiable intangible assets   7,300      
Goodwill   10,558      
Total net assets acquired   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) (14)  
Total liabilities assumed 39   39 39  
Identifiable intangible assets (700)   (700) (700)  
Goodwill 457   457 457  
Total net assets acquired (218)   $ (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)