XML 51 R21.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Supplemental Cash Flow Information (Tables)
3 Months Ended
Aug. 31, 2011
Supplemental Cash Flow (Tables) [Abstract]  
Supplemental Cash Flow Table
    2011 2010   
Cash payments for:         
 Interest (net of capitalized interest) $ 43 $ 54   
            
 Income taxes $ 65 $ 73   
 Income tax refunds received   -   (1)   
 Cash tax payments, net $ 65 $ 72