XML 36 R32.htm IDEA: XBRL DOCUMENT v2.4.0.8
Basis of Presentation and Conventions Used in this Report (Details) (USD $)
6 Months Ended
Aug. 31, 2013
item
Feb. 28, 2013
Basis of Presentation and Conventions Used in this Report    
Common shares, par value (in dollars per share) $ 0.10 $ 0.10
Number of segments 3