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Basis Of Presentation And Summary Of Significant Accounting Policies (Property And Equipment) (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
Property Plant And Equipment [Line Items]      
Depreciation $ 6.9 $ 5.6 $ 5.5
Cost of goods sold, depreciation $ 2.5 $ 1.2 $ 1.4
Minimum [Member] | Buildings And Improvements [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 10 years    
Minimum [Member] | Machinery And Equipment [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 3 years    
Minimum [Member] | Vehicles [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 3 years    
Minimum [Member] | Furniture And Fixtures [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 3 years    
Minimum [Member] | R&D Lab Equipment And Office Equipment [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 3 years    
Minimum [Member] | Software and Computer Equipment [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 3 years    
Maximum [Member] | Buildings And Improvements [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 40 years    
Maximum [Member] | Machinery And Equipment [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 15 years    
Maximum [Member] | Vehicles [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 5 years    
Maximum [Member] | Furniture And Fixtures [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 10 years    
Maximum [Member] | R&D Lab Equipment And Office Equipment [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 7 years    
Maximum [Member] | Software and Computer Equipment [Member]      
Property Plant And Equipment [Line Items]      
Property and equipment, useful life 5 years