Fair Value Disclosures (Fair Value Hierarchy, Carrying Values, and Estimated Fair Values of Financial Instruments) (Details) - Level 2 - Senior Notes - USD ($) $ in Thousands		Feb. 28, 2023	Nov. 30, 2022
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior notes	[1]	$ 1,326,674	$ 1,326,266
Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior notes		$ 1,221,538	$ 1,205,875

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