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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Organization And Operations [Line Items]      
Restricted cash $ 5,600,000 $ 5,000,000  
Accounts receivable, net of allowances for doubtful accounts 244,957,000 247,084,000  
Accounts receivable, allowances for doubtful accounts $ 1,265,000 $ 2,410,000  
Percentage of ownership required for exercise significant influence in affiliates 50.00%    
Percentage of tax position benefit maximum than being realized upon ultimate settlement 50.00%    
Government Contracts Concentration Risk | Federal Correctional And Detention Authorities
     
Organization And Operations [Line Items]      
Percentage of revenues generated from government management contracts 44.00% 44.00% 44.00%
Government Contracts Concentration Risk | Federal Bureau Of Prisons
     
Organization And Operations [Line Items]      
Percentage of revenues generated from government management contracts 13.00% 12.00% 12.00%
Government Contracts Concentration Risk | United States Marshals Service
     
Organization And Operations [Line Items]      
Percentage of revenues generated from government management contracts 19.00% 20.00% 20.00%
Government Contracts Concentration Risk | United States Immigration And Customs Enforcement
     
Organization And Operations [Line Items]      
Percentage of revenues generated from government management contracts 12.00% 12.00% 12.00%
Government Contracts Concentration Risk | State Correctional Authorities
     
Organization And Operations [Line Items]      
Percentage of revenues generated from government management contracts 49.00% 49.00% 49.00%
Government Contracts Concentration Risk | State of California Department of Corrections and Rehabilitation
     
Organization And Operations [Line Items]      
Percentage of revenues generated from government management contracts 12.00% 12.00% 14.00%
Minimum
     
Organization And Operations [Line Items]      
Renewal of contract terms 2    
Maximum
     
Organization And Operations [Line Items]      
Renewal of contract terms 5