Revenue and Customer Contract Balances - Summary of Net Sales by Products and Services and Gross Amounts Billed for Services (Details) - USD ($) $ in Thousands		12 Months Ended
		Aug. 26, 2022	Aug. 27, 2021	Aug. 28, 2020
Disaggregation Of Revenue [Line Items]
Total net sales	[1]	$ 1,819,352	$ 1,501,142	$ 1,122,377
Cost of materials		1,601,289	751,985	604,698
Gross billings in connection with services		1,664,758	787,362	636,902
Products and professional services
Disaggregation Of Revenue [Line Items]
Total net sales		1,755,883	1,465,765	1,090,173
Logistics services
Disaggregation Of Revenue [Line Items]
Total net sales		$ 63,469	$ 35,377	$ 32,204

[1] Sales to related parties were de minimis, $76,488 and $75,837 in 2022, 2021 and 2020, respectively.