Accumulated Other Comprehensive Loss - Amounts Reclassified from Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended
		Nov. 30, 2019	Nov. 24, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Net income		$ 48,242	$ 38,320
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Net income		(30)	(44)
Derivative Financial Instruments | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Net income		(30)	(44)
Derivative Financial Instruments | Forward Contracts | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Forward contracts	[1]	$ (30)	$ (44)

[1] Amounts included in revenues in the accompanying Consolidated Statements of Income.