Annual report pursuant to Section 13 and 15(d)

Property, Software And Equipment (Details)

v2.4.0.6
Property, Software And Equipment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Property, Plant and Equipment [Line Items]      
Property, software and equipment, gross $ 526,916 $ 464,970  
Less accumulated depreciation (177,294) (138,629)  
Property, software and equipment, net 349,622 326,341  
Depreciation expense 42,249 37,131 33,103
Computer Software [Member]
     
Property, Plant and Equipment [Line Items]      
Property, software and equipment, gross 158,672 141,918  
Buildings [Member]
     
Property, Plant and Equipment [Line Items]      
Property, software and equipment, gross 186,194 171,072  
Land [Member]
     
Property, Plant and Equipment [Line Items]      
Property, software and equipment, gross 47,614 44,282  
Computer Hardware [Member]
     
Property, Plant and Equipment [Line Items]      
Property, software and equipment, gross 51,805 35,639  
Furniture And Office Equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, software and equipment, gross 37,865 33,812  
Leasehold Improvements [Member]
     
Property, Plant and Equipment [Line Items]      
Property, software and equipment, gross 44,766 38,247  
Assets Held Under Capital Leases [Member]
     
Property, Plant and Equipment [Line Items]      
Less accumulated depreciation (1,285) (1,041)  
Property, software and equipment, net $ 6,316 $ 6,339