Consolidated Statement Of Shareholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 01, 2012	Aug. 27, 2011	Aug. 28, 2010
Consolidated Statement Of Shareholders' Equity [Abstract]
Exercise of common stock options, income tax benefits	$ 5,376	$ 6,973	$ 5,607

- Definition

Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

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