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Property And Equipment
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property And Equipment
Property and Equipment

Major classes of property and equipment are summarized as follows (in thousands):

 
December 31,
 
2011
 
2010
Furniture and equipment
$
88,623

 
$
39,271

Leasehold improvements
23,345

 
21,948

 
111,968

 
61,219

Less: Accumulated depreciation and amortization
(64,533
)
 
(34,133
)
Total property and equipment, net
$
47,435

 
$
27,086



Depreciation and amortization expense related to property and equipment for the years ended December 31, 2011, 2010 and 2009 was $33.7 million, $5.0 million and $4.9 million, respectively.