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Restructuring Charges - Restructuring Charges by Segment (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses $ 6,218 $ 13,996
CTU [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 19 261
AIU [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 213 1,834
University Schools [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 232 2,095
Health Education [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 790 1,576
Culinary Arts [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 472 598
Design & Technology [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 579 1,376
Career Schools [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 1,841 3,550
Corporate and Other [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses 2,087 1,620
Transitional Schools [Member]
   
Restructuring Acquisition And Integration Charges [Line Items]    
Severance and related expenses $ 2,058 $ 6,731