Income Taxes (Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 28, 2021	Aug. 29, 2020	Aug. 31, 2019
Income Taxes [Abstract]
Current: Federal	$ 60,988	$ 58,501	$ 66,248
Current: State and local	15,237	14,564	16,239
Current: Foreign	1,327	1,073	(87)
Current: Total	77,552	74,138	82,400
Deferred: Federal	(5,513)	7,392	10,622
Deferred: State and local	(842)	1,091	1,310
Deferred: Foreign	(755)	(129)
Deferred: Total	(7,110)	8,354	11,932
Total	$ 70,442	$ 82,492	$ 94,332

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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