XML 49 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6
Changes In Carrying Amounts Of Goodwill By Operating Segment (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Goodwill [Line Items]  
Balances at December 31, 2011 $ 1,309,358
Goodwill acquired during the period 2,195
Contingent Consideration 4,875 [1]
Foreign currency translation adjustment and other 10,613
Balances at September 30, 2012 1,327,041
Corporate Finance / Restructuring
 
Goodwill [Line Items]  
Balances at December 31, 2011 436,043
Goodwill acquired during the period 2,195
Foreign currency translation adjustment and other 348
Balances at September 30, 2012 438,586
Forensic and Litigation Consulting
 
Goodwill [Line Items]  
Balances at December 31, 2011 198,047
Contingent Consideration 23 [1]
Foreign currency translation adjustment and other 945
Balances at September 30, 2012 199,015
Economic Consulting
 
Goodwill [Line Items]  
Balances at December 31, 2011 229,487
Contingent Consideration 4,852 [1]
Foreign currency translation adjustment and other 456
Balances at September 30, 2012 234,795
Technology
 
Goodwill [Line Items]  
Balances at December 31, 2011 117,958
Foreign currency translation adjustment and other 79
Balances at September 30, 2012 118,037
Strategic Communications
 
Goodwill [Line Items]  
Balances at December 31, 2011 327,823
Foreign currency translation adjustment and other 8,785
Balances at September 30, 2012 $ 336,608
[1] Contingent consideration related to business combinations consummated prior to January 1, 2009.