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Operating Segments (Tables)
6 Months Ended
Jun. 30, 2014
Segment Reporting [Abstract]  
Summary of Information about Reportable Segments
     Products      Research     Project
Consulting
    Consolidated  

Three Months Ended June 30, 2014

         

Research services revenues

   $ 52,322       $ —        $ —        $ 52,322   

Advisory services and events revenues

     9,994         12,672        7,959        30,625   
  

 

 

    

 

 

   

 

 

   

 

 

 

Total segment revenues

     62,316         12,672        7,959        82,947   

Segment expenses

     11,894         13,399        6,438        31,731   
  

 

 

    

 

 

   

 

 

   

 

 

 

Contribution margin (loss)

     50,422         (727     1,521        51,216   

Selling, marketing, administrative and other expenses

            (42,561

Amortization of intangible assets

            (536

Reorganization costs

            (1,039

Other income and gains/losses on investments

            122   
         

 

 

 

Income before income taxes

          $ 7,202   
         

 

 

 
     Products      Research     Project
Consulting
    Consolidated  

Three Months Ended June 30, 2013

         

Research services revenues

   $ 51,312       $ —        $ —        $ 51,312   

Advisory services and events revenues

     9,482         14,812        3,347        27,641   
  

 

 

    

 

 

   

 

 

   

 

 

 

Total segment revenues

     60,794         14,812        3,347        78,953   

Segment expenses

     10,924         14,704        3,624        29,252   
  

 

 

    

 

 

   

 

 

   

 

 

 

Contribution margin (loss)

     49,870         108        (277     49,701   

Selling, marketing, administrative and other expenses

            (39,045

Amortization of intangible assets

            (554

Reorganization costs

            (314

Other income and gains/losses on investments

            353   
         

 

 

 

Income before income taxes

          $ 10,141   
         

 

 

 
     Products      Research     Project
Consulting
    Consolidated  

Six Months Ended June 30, 2014

         

Research services revenues

   $ 103,115       $ —        $ —        $ 103,115   

Advisory services and events revenues

     12,851         26,648        13,404        52,903   
  

 

 

    

 

 

   

 

 

   

 

 

 

Total segment revenues

     115,966         26,648        13,404        156,018   

Segment expenses

     20,245         27,374        12,115        59,734   
  

 

 

    

 

 

   

 

 

   

 

 

 

Contribution margin (loss)

     95,721         (726     1,289        96,284   

Selling, marketing, administrative and other expenses

            (86,221

Amortization of intangible assets

            (1,075

Reorganization costs

            (1,888

Other income and gains/losses on investments

            95   
         

 

 

 

Income before income taxes

          $ 7,195   
         

 

 

 
     Products      Research     Project
Consulting
    Consolidated  

Six Months Ended June 30, 2013

         

Research services revenues

   $ 101,590       $ —        $ —        $ 101,590   

Advisory services and events revenues

     11,701         29,750        7,273        48,724   
  

 

 

    

 

 

   

 

 

   

 

 

 

Total segment revenues

     113,291         29,750        7,273        150,314   

Segment expenses

     18,494         28,586        6,973        54,053   
  

 

 

    

 

 

   

 

 

   

 

 

 

Contribution margin (loss)

     94,797         1,164        300        96,261   

Selling, marketing, administrative and other expenses

            (80,175

Amortization of intangible assets

            (1,113

Reorganization costs

            (1,905

Other income and gains/losses on investments

            529   
         

 

 

 

Income before income taxes

          $ 13,597