Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Nov. 28, 2020	Aug. 29, 2020
Current assets:
Allowance for doubtful accounts	$ 349	$ 353
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Capital stock common, par value (in dollars per share)	$ 0.50	$ 0.50
Capital stock common, shares authorized (in shares)	60,000,000	60,000,000
Capital stock common, shares issued (in shares)	51,776,000	51,776,000
Treasury stock, at cost, shares (in shares)	18,275,000	18,133,000