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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2011

Stockholders' Equity [Abstract]

Schedule Of Restricted Stock Activity

		Number of shares				Weighted- average grant price
Balance, December 31, 2010			341,440			$	204.89
Grants			74,868			$	130.96
Vested shares			(17,574	)		$	131.31
Forfeitures			(15,494	)		$	154.83
Balance, September 30, 2011			383,240			$	194.03

Schedule Of Stock Option Activity

	Number of shares				Exercise price				Remaining contractual life (yrs.)				Intrinsic  value(1) (in thousands)
Balance, December 31, 2010			100,000			$	107.28				2.1			$	4,494
Grants			—				—
Exercises			—				—
Forfeitures			—				—
Balance, September 30, 2011			100,000			$	107.28				1.4			$	—
Vested, September 30, 2011			100,000								1.4			$	—
Exercisable, September 30, 2011			100,000								1.4			$	—

(1) The intrinsic value in the table above represents the total pre-tax intrinsic value (the difference between the Company's closing stock price on the respective trading day and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holder had the option holder exercised his options on the respective trading day. The amount of intrinsic value will change based on the fair market value of the Company's common stock.

Schedule Of Information Regarding Share-Based Payment Arrangements

		For the nine months ended September 30,
		2010				2011
Proceeds from stock options exercised		$	452			$	—
Excess tax benefits (shortfall) related to share-based payment arrangements		$	2,808			$	(721	)
Intrinsic value of stock options exercised (1)		$	1,184			$	—

(1) Intrinsic value of stock options exercised is calculated by taking the difference between the Company's closing stock price on the date of exercise and the exercise price, multiplied by the number of options exercised for each option holder and then aggregated.

Schedule Of Stock-Based Compensation Expense

		For the three months ended September 30,								For the nine months ended September 30,
		2010				2011				2010				2011
Instruction and educational support		$	575			$	904			$	1,753			$	2,728
Marketing			41				16				150				51
Admissions advisory			—				—				—				—
General and administration			2,271				2,550				7,081				7,019
Stock-based compensation expense included in operating expense			2,887				3,470				8,984				9,798
Tax benefit			1,140				1,371				3,548				3,870
Stock-based compensation expense, net of tax		$	1,747			$	2,099			$	5,436			$	5,928

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Tabular disclosure of the amount of cash proceeds received from the exercise of stock options and similar instruments granted under share-based payment arrangements and the tax benefit realized from stock options exercised during the period. Disclosure may also include the intrinsic value of stock options exercised during the period.

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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