Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 27, 2021	Feb. 29, 2020	Feb. 27, 2021	Feb. 29, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 32,585	$ 34,680	$ 74,481	$ 82,922
Other comprehensive income (loss):
Foreign currency translation adjustments	2,244	(769)	3,554	220
Pension benefit liabilities		350		350
Change in fair value of derivatives, net of income taxes	(58)	52	(68)	77
Derivative financial instruments reclassified to earnings	2	(30)	(9)	(60)
Other comprehensive income (loss)	2,188	(397)	3,477	587
Comprehensive income	$ 34,773	$ 34,283	$ 77,958	$ 83,509