Repurchase of Common Stock	6 Months Ended
Nov. 30, 2013
Repurchase of Common Stock	17. REPURCHASE OF COMMON STOCK On October 1, 2013, our Board approved an initial $25 million stock repurchase plan, superseding and replacing our previous stock repurchase plan. During the three months ended November 30, 2013, we repurchased 369,900 shares for a total cost of $13.3 million. These shares along with 89,569 shares purchased in a prior period at a cost of $1.3 million were retired and are not included in common stock issued and outstanding as of November 30, 2013. The retirement of the shares purchased resulted in a reduction in common stock of $0.1 million, a reduction of $2.2 million to additional paid-in capital, and a $12.3 million reduction in retained earnings.

Repurchase of Common Stock

6 Months Ended

Nov. 30, 2013

17. REPURCHASE OF COMMON STOCK

On October 1, 2013, our Board approved an initial $25 million stock repurchase plan, superseding and replacing our previous stock repurchase plan. During the three months ended November 30, 2013, we repurchased 369,900 shares for a total cost of $13.3 million. These shares along with 89,569 shares purchased in a prior period at a cost of $1.3 million were retired and are not included in common stock issued and outstanding as of November 30, 2013. The retirement of the shares purchased resulted in a reduction in common stock of $0.1 million, a reduction of $2.2 million to additional paid-in capital, and a $12.3 million reduction in retained earnings.