Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Nov. 28, 2020	Nov. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 41,896	$ 48,242
Other comprehensive income (loss):
Foreign currency translation adjustments	1,310	989
Change in fair value of derivatives, net of income taxes	(10)	25
Derivative financial instruments reclassified to earnings	(11)	(30)
Other comprehensive income	1,289	984
Comprehensive income	$ 43,185	$ 49,226