CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Feb. 15, 2020	Aug. 31, 2019
Common Stock [Member]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	23,653,000	25,445,000
Common stock, shares outstanding	23,488,000	24,038,000
Preferred Stock [Member]
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0