XML 60 R45.htm IDEA: XBRL DOCUMENT v3.19.3
Nature Of Operations And Summary Of Significant Accounting Policies (Property And Equipment) (Details) - USD ($)
$ in Thousands
Aug. 31, 2019
Aug. 31, 2018
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 69,586 $ 68,411
Less accumulated depreciation (51,007) (47,010)
Property and equipment 18,579 21,401
Land And Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,312 1,312
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 30,038 30,038
Machinery And Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,162 1,723
Computer Hardware And Software [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 28,665 27,066
Furniture, Fixtures, And Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 8,409 $ 8,272