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Basis of Presentation Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Feb. 28, 2021
Aug. 31, 2020
Property, Plant and Equipment [Line Items]    
Land, buildings and improvements $ 34,447 $ 33,548
Machinery and equipment 144,288 134,536
Gross Property, Plant and Equipment 178,735 168,084
Less: Accumulated Depreciation (117,477) (106,679)
Property, Plant and Equipment, Net $ 61,258 $ 61,405