The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

No definition available.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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Stock Options, Restricted Stock and Restricted Stock Units (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	$ 2,551	$ 3,166	$ 7,058	$ 8,398
Tax benefit	1,015	1,260	2,809	3,342
Stock-based compensation expense, net of income tax	1,536	1,906	4,249	5,056
Instruction and educational support [Member]
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	406	815	1,314	2,756
Marketing [Member]
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense
Admissions advisory [Member]
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense
General and administration [Member]
Schedule of stock-based compensation expense
Stock-based compensation expense included in operating expense	$ 2,145	$ 2,351	$ 5,744	$ 5,642