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Goodwill and Other Intangible Assets, Net
6 Months Ended
Jun. 30, 2011
Goodwill and Other Intangible Assets, Net [Abstract]  
Goodwill and Other Intangible Assets, Net
3. Goodwill and Other Intangible Assets, Net
The components of goodwill and other intangible assets, net at June 30, 2011 and December 31, 2010 were as follows (in thousands):
                 
    2011     2010  
Goodwill
  $ 341,656     $ 344,086  
Intangible assets:
               
Client lists
    116,611       117,029  
Other intangible assets
    9,336       9,506  
 
           
Total intangible assets
    125,947       126,535  
 
           
Total goodwill and intangibles assets
    467,603       470,621  
Accumulated amortization:
               
Client lists
    (44,753 )     (39,206 )
Other intangible assets
    (5,580 )     (5,005 )
 
           
Total accumulated amortization
    (50,333 )     (44,211 )
 
           
Goodwill and other intangible assets, net
  $ 417,270     $ 426,410