Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2021	Aug. 31, 2020	Nov. 30, 2020
Numerator:
Net income	$ 150,097	$ 78,415	$ 390,512	$ 190,152
Less: Distributed earnings allocated to nonvested restricted stock	(62)	(42)	(188)	(129)
Less: Undistributed earnings allocated to nonvested restricted stock	(625)	(360)	(1,594)	(875)
Numerator for basic earnings per share	149,410	78,013	388,730	189,148
Add: Undistributed earnings allocated to nonvested restricted stock	625	360	1,594	875
Less: Undistributed earnings reallocated to nonvested restricted stock	(604)	(346)	(1,540)	(843)
Numerator for diluted earnings per share	$ 149,431	$ 78,027	$ 388,784	$ 189,180
Denominator:
Weighted average shares outstanding — basic (in shares)	90,076	90,535	91,290	90,292
Effect of dilutive securities: Share-based payments (in shares)	3,188	3,570	3,222	3,496
Weighted average shares outstanding — diluted (in shares)	93,264	94,105	94,512	93,788
Basic earnings (loss) per share (in dollars per share)	$ 1.66	$ 0.86	$ 4.26	$ 2.09
Diluted earnings (loss) per share (in dollars per share)	$ 1.60	$ 0.83	$ 4.11	$ 2.02
Antidilutive securities excluded from computation of earnings per share (in shares)	0		0	0
Mortgages and notes payable	$ 1,863,501		$ 1,863,501		$ 1,747,175
Antidilutive Securities Excluded from Computation of EPS, Number of Shares		0