Accumulated Other Comprehensive Loss - Amounts Reclassified from Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended
		Nov. 28, 2020	Nov. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Net income		$ 41,896	$ 48,242
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Net income		(11)	(30)
Derivative Financial Instruments | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Net income		(11)	(30)
Derivative Financial Instruments | Forward Contracts | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Forward contracts	[1]	$ (11)	$ (30)

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