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Acquisitions and Dispositions of Businesses (Significant Component) (Details 3) - KHE Campuses [Member] - Higher Education [Member] - Education [Member]
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Disposal Group, Not Discontinued Operation, Revenue $ 167,093
Disposal Group, Not Discontinued Operation, Operating Loss $ (6,264)