Organization, Basis of Presentation and Recent Accounting Pronouncements (Narrative) (Details) $ in Thousands	9 Months Ended
Sep. 30, 2015 USD ($) TelevisionStation	Sep. 30, 2014 USD ($)	Sep. 03, 2015 campus
Percentage of ownership indicating control for consolidation purposes	more than 50%
Net Cash Used in Investing Activities	$ (274,927)	$ (94,258)
Net Cash Provided by Operating Activities	$ 116,107	346,870
Television Broadcasting [Member]
Number of television broadcast stations \| TelevisionStation	5
Revision Adjustment [Member]
Net Cash Used in Investing Activities		(9,993)
Net Cash Provided by Operating Activities		$ 9,993
KHE Campuses [Member] \| Higher Education [Member]
Number of nationally accredited ground campuses sold \| campus			38

The number of nationally accredited ground campuses sold.

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- Definition

Number of television broadcast stations owned by the Company.

+ References

No definition available.

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- Definition

Defines percentage of ownership required in the Company's domestic and foreign subsidiaries for consolidation of assets, liabilities, results of operations and cash flows of the Company.

+ References

No definition available.

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- Definition

Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

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- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

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