Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 01, 2019	Nov. 30, 2018
Numerator:
Net income (loss)	$ 30,011	$ (71,255)
Less: Distributed earnings allocated to nonvested restricted stock	(14)	0
Less: Undistributed earnings allocated to nonvested restricted stock	(176)	0
Numerator for basic earnings (loss) per share	29,821	(71,255)
Interest expense and amortization of debt issuance costs associated with convertible senior notes, net of taxes	541	0
Add: Undistributed earnings allocated to nonvested restricted stock	176	0
Less: Undistributed earnings reallocated to nonvested restricted stock	(158)	0
Numerator for diluted earnings (loss) per share	$ 30,380	$ (71,255)
Denominator:
Weighted average shares outstanding — basic (in shares)	86,972	87,155
Effect of dilutive securities: Share-based payments (in shares)	4,202	0
Effect of dilutive securities: Convertible senior notes (in shares)	5,788	0
Weighted average shares outstanding — diluted (in shares)	96,962	87,155
Basic earnings (loss) per share (in dollars per share)	$ 0.34	$ (0.82)
Diluted earnings (loss) per share (in dollars per share)	$ 0.31	$ (0.82)
Antidilutive securities excluded from computation of earnings per share (in shares)	800
Mortgages and notes payable	$ 2,203,589			$ 2,060,263
1.375% Convertible senior notes due February 1, 2019 [Member] | Convertible Notes Payable [Member]
Mortgages and notes payable	$ 0		$ 230,000	$ 229,788
Senior notes, rate			1.375%	1.375%