Restructuring Costs (Schedule Of Restructuring Charges) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 28, 2021	Aug. 29, 2020
Restructuring Costs [Abstract]
Operating lease asset impairment loss	$ 17,923
Settlement of lease liabilities (gain)	(2,948)
Other exit-related costs	3,282
Consulting-related costs	8,615	6,583
Associate severance and separation costs	4,267	10,142
Equity acceleration costs associated with severance	253	304
Total restructuring and other related costs	$ 31,392	$ 17,029