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Income Taxes (Changes In Gross Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Sep. 01, 2018
Income Taxes [Abstract]
Beginning balance	$ 11,943	$ 12,641
Additions for tax positions relating to current year	2,203	2,811
Additions for tax positions relating to prior years	2,201	1,940
Reductions for tax positions relating to prior years	(409)	(2,821)
Settlements	(1,371)
Lapse of statute of limitations	(1,270)	(2,628)
Ending balance	$ 13,297	$ 11,943

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Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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