Fair Value Disclosures (Carrying Values and Estimated Fair Values of Financial Instruments) (Details) - Senior Notes - Level 2 - USD ($) $ in Thousands		Nov. 30, 2021	Nov. 30, 2020
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior notes	[1]	$ 1,679,700	$ 1,742,508
Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Senior notes		$ 1,796,500	$ 1,924,250

[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