Fair Value Disclosures (Fair Value Hierarchy, Carrying Values, and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands		Feb. 28, 2025	Nov. 30, 2024
Level 3 | Fair Value, Nonrecurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Pre-impairment value		$ 0	$ 0
Carrying Value | Level 2 | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior notes	[1]	1,330,164	1,329,704
Estimated Fair Value | Level 2 | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior notes		$ 1,309,500	$ 1,309,700

[1] The carrying value for the senior notes, as presented, includes unamortized debt issuance costs. Debt issuance costs are not factored into the estimated fair values of these notes.