XML 26 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
Software and Other Intangible Assets - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]          
Software, net $ 117,648,000   $ 117,648,000   $ 22,598,000
Software, accumulated amortization 62,300,000   62,300,000    
Other intangible assets amortization expense 3,200,000 1,700,000 5,500,000 3,300,000  
Software Marketed for External Sale
         
Finite-Lived Intangible Assets [Line Items]          
Software, net 87,800,000   87,800,000    
Software, amortization expense 3,400,000 1,700,000 6,200,000 3,300,000  
Software Marketed for External Sale | Minimum
         
Finite-Lived Intangible Assets [Line Items]          
Software estimated useful life 3 years        
Software Marketed for External Sale | Maximum
         
Finite-Lived Intangible Assets [Line Items]          
Software estimated useful life 10 years        
Software Acquired or Developed for Internal Use
         
Finite-Lived Intangible Assets [Line Items]          
Software, net 29,800,000   29,800,000    
Software, amortization expense $ 3,000,000 $ 2,000,000 $ 5,500,000 $ 3,900,000