Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 01, 2014	Aug. 31, 2013
Statement of Financial Position [Abstract]
Receivables, less allowance for doubtful accounts	$ 149	$ 152
Capital stock common, par value (in dollars per share)	$ 0.5	$ 0.5
Capital stock common, shares authorized (in shares)	60,000	60,000
Capital stock common, shares issued (in shares)	51,766	51,766
Treasury stock, at cost, shares (in shares)	24,555	23,917