XML 57 R47.htm IDEA: XBRL DOCUMENT v3.7.0.1
Share-Based Compensation (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
May 31, 2017
May 31, 2016
May 31, 2017
May 31, 2016
Share-Based Compensation [Abstract]        
Allocated Share-based Compensation Expense $ 1.0 $ 0.9 $ 2.8 $ 2.4