Schedule II - Valuation And Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Thousands		12 Months Ended
		Sep. 02, 2017	Sep. 03, 2016	Aug. 29, 2015
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	[1]	$ 12,353	$ 11,312	$ 9,310
Charged to Costs and Expenses	[1]	7,048	6,997	6,665
Charged to Other Accounts	[1]
Deductions	[1],[2]	6,123	5,956	4,663
Balance at End of Year	[1]	$ 13,278	$ 12,353	$ 11,312

[1] Included in accounts receivable.

[2] Comprised of uncollected accounts charged against the allowance.