Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Nov. 30, 2019	Feb. 01, 2019
Numerator:
Net income	$ 59,748	$ 30,011
Less: Distributed earnings allocated to nonvested restricted stock	(44)	(14)
Less: Undistributed earnings allocated to nonvested restricted stock	(281)	(176)
Numerator for basic earnings per share	59,423	29,821
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes	0	541
Add: Undistributed earnings allocated to nonvested restricted stock	281	176
Less: Undistributed earnings reallocated to nonvested restricted stock	(268)	(158)
Numerator for diluted earnings per share	$ 59,436	$ 30,380
Denominator:
Weighted average shares outstanding — basic (in shares)	89,842	86,972
Effect of dilutive securities: Share-based payments (in shares)	4,363	4,202
Effect of dilutive securities: Convertible senior notes (in shares)	0	5,788
Weighted average shares outstanding — diluted (in shares)	94,205	96,962
Basic earnings (loss) per share (in dollars per share)	$ 0.66	$ 0.34
Diluted earnings (loss) per share (in dollars per share)	$ 0.63	$ 0.31
Antidilutive securities excluded from computation of earnings per share (in shares)	0	800
Mortgages and notes payable	$ 1,749,148		$ 1,748,747
1.375% Convertible senior notes due February 1, 2019 [Member] | Convertible Notes Payable [Member]
Mortgages and notes payable				$ 230,000
Senior notes, rate				1.375%