Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Total revenues		$ 1,225,347	$ 1,144,001	$ 3,198,393	$ 2,965,391
Homebuilding:
Revenues		1,221,875	1,140,787	3,189,753	2,957,105
Construction and land costs		(1,001,509)	(955,001)	(2,642,231)	(2,499,677)
Selling, general and administrative expenses		(114,753)	(109,095)	(323,708)	(305,901)
Operating income		105,613	76,691	223,814	151,527
Interest income		458	347	2,739	747
Interest expense	[1]	0	0	0	(6,307)
Equity in income of unconsolidated joint ventures				6,691	921
Total pretax income (loss)		114,676	79,208	239,029	152,649
Financial services:
Revenues		3,472	3,214	8,640	8,286
Expenses		(945)	(890)	(2,855)	(2,525)
Income tax expense		(27,200)	(29,000)	(165,500)	(56,400)
Net income		$ 87,476	$ 50,208	$ 73,529	$ 96,249
Earnings Per Share, Basic (in dollars per share)		$ 0.99	$ 0.58	$ 0.83	$ 1.12
Earnings Per Share, Diluted (in dollars per share)		$ 0.87	$ 0.51	$ 0.75	$ 1.00
Weighted average shares outstanding — basic (in shares)		87,951	85,974	87,565	85,517
Weighted average shares outstanding — diluted (in shares)		101,072	98,912	101,213	97,624
Cash dividends declared per common share (in dollars per share)		$ 0.0250	$ 0.025	$ 0.075	$ 0.075
Common Stock, Dividends, Per Share, Cash Paid		$ 0.0250	$ 0.0250	$ 0.075	$ 0.075
Homebuilding [Member]
Homebuilding:
Equity in income of unconsolidated joint ventures		$ 3,493	$ (814)	$ 2,326	$ (679)
Total pretax income (loss)		109,564	76,224	228,879	145,288
Financial services [Member]
Homebuilding:
Operating income		2,527	2,324	5,785	5,761
Equity in income of unconsolidated joint ventures		2,585	660	4,365	1,600
Total pretax income (loss)		$ 5,112	$ 2,984	$ 10,150	$ 7,361

[1] Interest incurred and interest expensed for the nine months ended August 31, 2017 included a charge of $5.7 million for the early extinguishment of debt