Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Number of options outstanding, including both vested and non-vested options.

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Stock-Based Compensation (Narratives) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021	Nov. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	1,674,393		1,674,393		1,674,393
Options exercisable at end of period (in dollars per share)	$ 15.56		$ 15.56		$ 15.56
Weighted average remaining contractual life of stock options outstanding			3 years 1 month 6 days
Weighted average remaining contractual life of stock options exercisable			3 years 1 month 6 days
Aggregate intrinsic value of stock options exercisable	$ 21,900		$ 21,900
Aggregate intrinsic value of stock options outstanding	$ 21,900		$ 21,900
Options exercisable at end of period (in shares)	1,674,393		1,674,393		1,674,393
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 15.56		$ 15.56		$ 15.56
Equity Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 0		$ 0
Stock-based compensation expense (income) associated with stock options, total	0	$ 0	0	$ 0
Restricted Stock and Performance Unit Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense (income) associated with stock options, total	$ 7,000	$ 6,100	$ 22,900	$ 19,800