Restructuring Costs (Schedule Of Restructuring Charges) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 29, 2021	May 30, 2020	May 29, 2021	May 30, 2020
Restructuring Costs [Abstract]
Operating lease asset impairment loss			$ 17,411
Settlement of lease liabilities (gain)	$ (2,278)		(2,953)
Other exit-related costs	1,178		2,023
Consulting-related costs	2,000	$ 1,333	5,790	$ 3,465
Associate severance and separation costs	442	26	4,421	2,316
Equity acceleration costs associated with severance	7		251	90
Total restructuring costs	$ 1,349	$ 1,359	$ 26,943	$ 5,871