Leases (Components Of Lease Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 03, 2022	Aug. 28, 2021
Leases [Abstract]
Operating lease cost	$ 19,995	$ 22,822
Variable lease benefit	(355)	(2,001)
Short-term lease cost	4,496	1,074
Amortization of leased assets	1,265	1,290
Interest on leased liabilities	48	83
Total Lease Cost	25,449	23,268
Finance lease right of use assets, Accumulated amortization	$ 3,447	$ 2,729