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Restructuring Charges - Restructuring Charges by Segment (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Restructuring And Related Cost [Line Items]    
Severance and related expenses [1],[2] $ 215 $ 884
University Group [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 84 13
Corporate and Other [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 96  
Subtotal [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 180 13
Culinary Arts [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 5 140
Transitional Group [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 30 731
CTU [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses 18 $ 13
AIU [Member]    
Restructuring And Related Cost [Line Items]    
Severance and related expenses $ 66  
[1] Includes charges related to COBRA and outplacement services which are assumed to be completed by the third month following an employee’s departure.
[2] Severance payments will result in future cash expenditures through 2018.