Note 12 - Share-Based Compensation (Detail) - Valuation Assumptions for Stock Options	3 Months Ended		6 Months Ended
	Feb. 29, 2012		Feb. 29, 2012
Risk-free interest rate (1)	0.24%	[1]	0.24%	[1]
Expected volatility (2)	50.00%	[2]	50.00%	[2]
Expected life (years) (3)	4.70	[3]	4.70	[3]
Expected dividend yield (4)		[4]		[4]

[1] Based on the U.S. Constant Maturity Treasury (CMT) curve in effect at the time of award.

[2] Expected stock price volatility is based on the average historical volatility of the Company when it was publicly traded and weekly stock returns of comparable companies during the period corresponding to the expected life of the options and stock appreciation rights.

[3] Represents the period of time options are expected to remain outstanding.

[4] The Company has not paid dividends on its common stock and does not expect to pay dividends on its common stock in the near future.