XML 21 R42.htm IDEA: XBRL DOCUMENT v3.2.0.727
Earnings Per Common Share (Narrative) (Details) - shares
3 Months Ended 9 Months Ended
May. 31, 2015
May. 31, 2014
May. 31, 2015
May. 31, 2014
Earnings Per Common Share [Abstract]        
Anti-dilutive stock options outstanding 0 0 1,782 5,939