v2.3.0.11
Consolidated Statement Of Equity (Parenthetical) (USD $)
In Thousands
3 Months Ended
Aug. 31, 2011
Aug. 31, 2010
Consolidated Statement Of Equity    
Total comprehensive income   $ 6,500
Issuance of shares of common stock under equity compensation plans, and share based compensation, excess income tax benefit $ 556