Property And Equipment (Schedule Of Property And Equipment, Net) (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Aug. 31, 2019
Property Plant And Equipment [Line Items]
Subtotal	$ 80,195	$ 74,494
Less: accumulated depreciation and amortization	(30,092)	(29,418)
Total	50,103	45,076
Machinery, Equipment and Vehicles [Member]
Property Plant And Equipment [Line Items]
Subtotal	19,668	19,356
Buildings And Improvements [Member]
Property Plant And Equipment [Line Items]
Subtotal	27,902	17,391
Computer And Office Equipment [Member]
Property Plant And Equipment [Line Items]
Subtotal	5,528	5,328
Software [Member]
Property Plant And Equipment [Line Items]
Subtotal	10,365	10,189
Furniture And Fixtures [Member]
Property Plant And Equipment [Line Items]
Subtotal	2,596	2,039
Capital In Progress [Member]
Property Plant And Equipment [Line Items]
Subtotal	9,801	16,747
Land [Member]
Property Plant And Equipment [Line Items]
Subtotal	$ 4,335	$ 3,444

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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