Income Taxes (Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Aug. 30, 2014	Aug. 31, 2013	Sep. 01, 2012
Income Taxes [Abstract]
Current: Federal	$ 115,186	$ 119,470	$ 128,640
Current: State and local	16,528	18,629	18,421
Current: Total	131,714	138,099	147,061
Deferred: Federal	10,369	7,403	4,797
Deferred: State and local	1,375	(68)	1,253
Deferred: Total	11,744	7,335	6,050
Total	$ 143,458	$ 145,434	$ 153,111

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

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

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

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

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

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.