Income Taxes (Components Of Income Before Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 28, 2021	Aug. 29, 2020	Aug. 31, 2019
Income Taxes [Abstract]
Domestic	$ 282,478	$ 329,482	$ 383,515
Foreign	5,901	4,768	(386)
Income before provision for income taxes	$ 288,379	$ 334,250	$ 383,129

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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