Investment In FC Organizational Products (Components Of Other Current And Other Long-Term Assets) (Details) - USD ($) $ in Thousands	Nov. 30, 2018	Aug. 31, 2018
Other Assets [Line Items]
Other long-term assets	$ 12,343	$ 12,935
FCOP [Member]
Other Assets [Line Items]
Other current assets	1,294	1,123
Other long-term assets	427	411
Other assets	$ 1,721	$ 1,534