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Debt - Private Placement Debt Narrative (Details) - USD ($)	2 Months Ended	9 Months Ended
	Jul. 31, 2025	May 31, 2025	Jun. 01, 2024	Aug. 31, 2024
Debt Instrument [Line Items]
Payments under Shelf Facility Agreements and Private Placement Debt		$ 0	$ 50,000,000
Private Placement Debt | Senior Notes Series B
Debt Instrument [Line Items]
Principal amount		$ 100,000,000		$ 100,000,000
Interest rate		2.90%
Private Placement Debt | Senior Notes Due June 11, 2025
Debt Instrument [Line Items]
Principal amount		$ 20,000,000		$ 20,000,000
Interest rate		3.79%		3.79%
Private Placement Debt | Senior Notes Due June 11, 2025 | Subsequent Event
Debt Instrument [Line Items]
Payments under Shelf Facility Agreements and Private Placement Debt	$ 20,000
Private Placement Debt | Senior notes, Due March 5, 2027
Debt Instrument [Line Items]
Principal amount		$ 50,000,000		$ 50,000,000
Interest rate		2.60%
Private Placement Debt | Senior Notes Due April 18, 2027
Debt Instrument [Line Items]
Principal amount		$ 50,000,000		$ 50,000,000
Interest rate		5.73%
Senior Notes | Senior Notes Due April 18, 2027
Debt Instrument [Line Items]
Principal amount		$ 50,000,000
Interest rate		5.73%

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