Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		0 Months Ended	12 Months Ended		12 Months Ended
	Dec. 31, 2013 claim	Feb. 13, 2013 Jajdelski case [Member] allegations	Jul. 22, 2011 KHE's Broomall, PA location [Member]	Dec. 31, 2013 Education [Member] Urquilla-Diaz And Jajdelski Case [Member] Case	Aug. 17, 2011 Education [Member] Diaz Case [Member] Complaint claim	Dec. 31, 2013 Higher Education [Member] OPEIDnumbers campus program_review	Dec. 31, 2012 Higher Education [Member]	Dec. 31, 2011 Higher Education [Member]	Dec. 31, 2013 Kaplan University [Member]	Dec. 31, 2013 Kaplan University [Member] Maximum [Member]	Dec. 31, 2012 Kaplan University [Member] Maximum [Member]	Dec. 31, 2013 Other OPEID units [Member] Minimum [Member]	Dec. 31, 2012 Other OPEID units [Member] Minimum [Member]	Dec. 31, 2013 Other OPEID units [Member] Maximum [Member]	Dec. 31, 2012 Other OPEID units [Member] Maximum [Member]
Loss Contingencies [Line Items]
Number of existing legal claims or proceedings that are likely to have a material effect on the Company's business	0
Amount payable under agreement			$ 1.6
Number of unsealed cases filed by former employees under the U.S. Federal False Claims Act				2
The number of separate complaints included in the Diaz case that received rulings					3
Remaining employment claim in the Diaz complaint					1
Number of allegations not dismissed		1
Number of schools combined into groups for determining Title IV compliance						two or more
Amount of OPEID numbers						25
Education division revenue derived from financial aid received by students under Title IV programs						$ 819	$ 882	$ 1,110
Number of pending DOE program reviews						3
Portion of regulations under 90/10 rule	a KHE school would lose its eligibility to participate in Title IV programs for a period of at least two fiscal years if the institution derives more than 90% of its receipts from Title IV programs, as calculated on a cash basis in accordance with the Higher Education Act and applicable ED regulations, in each of two consecutive fiscal years, commencing with the institution’s first fiscal year that ends after August 14, 2008. An institution with Title IV receipts exceeding 90% for a single fiscal year ending after August 14, 2008, will be placed on provisional certification and may be subject to other enforcement measures.
Percentage of Title IV revenue received from largest OPEID reporting unit									69.00%
Percentage of receipts derived from Title IV										81.00%	80.00%	69.00%	71.00%	89.00%	88.00%
Estimated campus OPEID units over 90/10 ratio						3
Percentage of revenue of campus OPEID units over 90/10 ratio						1.70%