XML 32 R21.htm IDEA: XBRL DOCUMENT v3.10.0.1
Basis Of Presentation (Narrative) (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
May 31, 2018
USD ($)
country
May 31, 2017
USD ($)
May 31, 2018
USD ($)
country
item
May 31, 2017
USD ($)
Business Acquisition [Line Items]        
Number of areas of expertise     7  
Number of important distinguishing characteristics from competitors     3  
Discount accretion on related party receivable | $ $ 202 $ 34 $ 258 $ 129
Minimum [Member]        
Business Acquisition [Line Items]        
Number of countries in which entity operates | country 150   150