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Restructuring Charges - Restructuring Charges by Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Restructuring And Related Cost [Line Items] |  |  |
Severance and related expenses | [1],[2] | $ 507 | $ 24,085
University Group [Member] |  |  |
Restructuring And Related Cost [Line Items] |  |  |
Severance and related expenses |  | 84 | 1,078
Corporate and Other [Member] |  |  |
Restructuring And Related Cost [Line Items] |  |  |
Severance and related expenses |  | 388 | 4,631
Subtotal [Member] |  |  |
Restructuring And Related Cost [Line Items] |  |  |
Severance and related expenses |  | 472 | 5,709
All Other Campuses [Member] |  |  |
Restructuring And Related Cost [Line Items] |  |  |
Severance and related expenses |  | 35 | 18,376
CTU [Member] | University Group [Member] |  |  |
Restructuring And Related Cost [Line Items] |  |  |
Severance and related expenses |  | 18 | 405
AIU [Member] | University Group [Member] |  |  |
Restructuring And Related Cost [Line Items] |  |  |
Severance and related expenses |  | $ 66 | $ 673
[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 charges will result in future cash payments through 2018.

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