Reconciliation of Income Taxes at Federal Statutory Rate to Effective Tax Rate (Parenthetical) (Detail)

v2.4.0.6

Reconciliation of Income Taxes at Federal Statutory Rate to Effective Tax Rate (Parenthetical) (Detail)	12 Months Ended
	Aug. 31, 2010
Reconciliation of Effective Income Tax Rate [Line Items]
Provision to return adjustments and additional provisions for unrecognized tax benefits	11.10%