Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 02, 2023	Jul. 31, 2023	Sep. 03, 2022	Mar. 31, 2020	Jun. 30, 2018	Jul. 31, 2016
Debt Instrument [Line Items]
Long-Term Note Payable	$ 4,750		$ 4,750
Financing arrangements	127		88
Less: unamortized debt issuance costs	(1,026)		(1,426)
Total debt, including obligations under finance leases	453,851		793,412
Less: current portion	(229,686)		(324,684)
Total long-term debt, including obligations under finance leases	224,165		468,728
Financing obligations, current			88
Unamortized debt issuance costs, current	351		404
Committed Bank Facility
Debt Instrument [Line Items]
Credit facility	50,000		245,000
Uncommitted Bank Facilities
Debt Instrument [Line Items]
Credit facility	180,000		200,000
Short-term debt	180,000		200,000
Senior Notes Series A
Debt Instrument [Line Items]
Less: current portion	$ (75,000)
Interest rate	2.65%
Senior Notes Series A | Private Placement Debt
Debt Instrument [Line Items]
Principal amount	$ 0	$ 75,000	75,000
Interest rate	2.65%	2.65%
Senior Notes Series B | Private Placement Debt
Debt Instrument [Line Items]
Principal amount	$ 100,000		100,000			$ 100,000
Interest rate	2.90%					2.90%
Senior Notes Due June 11, 2025 | Private Placement Debt
Debt Instrument [Line Items]
Principal amount	$ 20,000		20,000		$ 20,000
Interest rate	3.79%				3.79%
Senior notes, Due March 5, 2027 | Private Placement Debt
Debt Instrument [Line Items]
Principal amount	$ 50,000		50,000	$ 50,000
Interest rate	2.60%			2.60%
Senior notes due January 12, 2023
Debt Instrument [Line Items]
Less: current portion	$ (50,000)
Interest rate	3.04%
Senior notes due January 12, 2023 | Private Placement Debt
Debt Instrument [Line Items]
Principal amount	$ 0		50,000
Interest rate	3.04%
Series 2019A notes, due March 5, 2024 | Private Placement Debt
Debt Instrument [Line Items]
Principal amount	$ 50,000		$ 50,000
Interest rate	2.40%