Treasury Stock	6 Months Ended
Jun. 30, 2013
Equity [Abstract]
Treasury Stock	10. Treasury Stock On April 25, 2013, the Board of Directors authorized the University to repurchase up to an additional $25,000 ($75,000 total) of common stock, from time to time, depending on market conditions and other considerations. The Board of Directors also extended the expiration date on the repurchase authorization to September 30, 2014. Repurchases occur at the University’s discretion. Repurchases may be made in the open market or in privately negotiated transactions, pursuant to the applicable Securities and Exchange Commission rules. The amount and timing of future share repurchases, if any, will be made as market and business conditions warrant. Since its approval of the share repurchase plan, the University has purchased 2,727 shares of common stock at an aggregate cost of $46,654, which includes 318 shares of common stock at an aggregate cost of $7,518 during the six months ended June 30, 2013, which are recorded at cost in the accompanying June 30, 2013 consolidated balance sheet and statement of stockholders’ equity. At June 30, 2013, there remained $28,346 available under its share repurchase authorization. Shares repurchased in lieu of taxes are not included in the repurchase plan totals as they were approved in conjunction with the restricted share awards.

10. Treasury Stock

On April 25, 2013, the Board of Directors authorized the University to repurchase up to an additional $25,000 ($75,000 total) of common stock, from time to time, depending on market conditions and other considerations. The Board of Directors also extended the expiration date on the repurchase authorization to September 30, 2014. Repurchases occur at the University’s discretion. Repurchases may be made in the open market or in privately negotiated transactions, pursuant to the applicable Securities and Exchange Commission rules. The amount and timing of future share repurchases, if any, will be made as market and business conditions warrant. Since its approval of the share repurchase plan, the University has purchased 2,727 shares of common stock at an aggregate cost of $46,654, which includes 318 shares of common stock at an aggregate cost of $7,518 during the six months ended June 30, 2013, which are recorded at cost in the accompanying June 30, 2013 consolidated balance sheet and statement of stockholders’ equity. At June 30, 2013, there remained $28,346 available under its share repurchase authorization. Shares repurchased in lieu of taxes are not included in the repurchase plan totals as they were approved in conjunction with the restricted share awards.