Debt - Revolving Credit Facilities Narrative (Details)	1 Months Ended	3 Months Ended	6 Months Ended
	Aug. 31, 2021 USD ($)	Mar. 02, 2024 USD ($) facility	Mar. 02, 2024 USD ($) facility	Mar. 04, 2023 USD ($)	Sep. 02, 2023 USD ($)	Apr. 30, 2017 USD ($)	Jul. 31, 2016 USD ($)
Debt Instrument [Line Items]
Number of credit facilities | facility		2	3
Proceeds from lines of credit			$ 297,000,000	$ 208,000,000
Committed Bank Facility
Debt Instrument [Line Items]
Outstanding balance		$ 120,000,000	$ 120,000,000		$ 50,000,000
Amended Uncommitted Credit Facilities
Debt Instrument [Line Items]
Credit facility, expiration term			1 year
Outstanding balance		$ 205,000,000	$ 205,000,000		$ 180,000,000
Line of credit facility, maximum amount outstanding during period			208,000,000
Proceeds from lines of credit			297,000,000
Repayment of loan facility			$ 202,000,000
Line of credit facility, interest rate at period end		6.23%	6.23%		6.17%
Amended Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						$ 600,000,000
Credit facility, expiration term	5 years
Amended Revolving Credit Facility | Letter of Credit
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 50,000,000
Outstanding balance		$ 6,304,000	$ 6,304,000		$ 5,269,000
Amended Revolving Credit Facility | Committed Bank Facility
Debt Instrument [Line Items]
Available increase in amount borrowed	$ 300,000,000
Senior Notes Series B | Private Placement Debt
Debt Instrument [Line Items]
Debt instrument, face amount		$ 100,000,000	$ 100,000,000		100,000,000		$ 100,000,000
Interest rate		2.90%	2.90%				2.90%
Senior Notes Due June 11, 2025 | Private Placement Debt
Debt Instrument [Line Items]
Debt instrument, face amount		$ 20,000,000	$ 20,000,000		20,000,000		$ 20,000,000
Interest rate		3.79%	3.79%				3.79%
Senior notes, Due March 5, 2027 | Private Placement Debt
Debt Instrument [Line Items]
Debt instrument, face amount		$ 50,000,000	$ 50,000,000		$ 50,000,000		$ 50,000,000
Interest rate		2.60%	2.60%				2.60%