XML 28 R47.htm IDEA: XBRL DOCUMENT v3.2.0.727
Note 12 - Geographic and Segment Information (Details) - Net Sales by Geographic Location as Percentage of Total Consolidated Net Sales - Sales Revenue, Net [Member] - Geographic Concentration Risk [Member]
 3 Months Ended 9 Months Ended
May. 31, 2015
May. 31, 2014
May. 31, 2015
May. 31, 2014
Note 12 - Geographic and Segment Information (Details) - Net Sales by Geographic Location as Percentage of Total Consolidated Net Sales [Line Items]        
Net Sales, Percentage 100.00% 100.00% 100.00% 100.00%
Inside the U.S.A to Unaffiliated Customers [Member]        
Note 12 - Geographic and Segment Information (Details) - Net Sales by Geographic Location as Percentage of Total Consolidated Net Sales [Line Items]        
Net Sales, Percentage 63.00% 69.00% 63.80% 67.40%
Joint Ventures in which the Company is a Shareholder Directly and Indirectly - Outside the U.S.A [Member]        
Note 12 - Geographic and Segment Information (Details) - Net Sales by Geographic Location as Percentage of Total Consolidated Net Sales [Line Items]        
Net Sales, Percentage 7.30% 13.60% 11.70% 12.40%
Unaffiliated Customers - Outside the U.S.A [Member]        
Note 12 - Geographic and Segment Information (Details) - Net Sales by Geographic Location as Percentage of Total Consolidated Net Sales [Line Items]        
Net Sales, Percentage 29.70% 17.40% 24.50% 20.20%