Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details Textual)

v2.4.0.6
Business Segment Information (Details Textual)
May 31, 2011
Segment
Division
Business Segment Information (Textual)  
Number of business divisions 2
Number of reportable operating segments 3
Number of business divisions prior to change in internal management structure 3
Number of aggregated reportable operating segments prior to change in internal management structure 1