Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2015	Aug. 31, 2014
Total revenues	$ 843,157	$ 589,214	$ 2,046,247	$ 1,604,908
Homebuilding:
Revenues	840,204	586,231	2,038,896	1,596,894
Construction and land costs	(709,148)	(479,424)	(1,725,976)	(1,305,258)
Selling, general and administrative expenses	(95,074)	(72,897)	(244,678)	(205,715)
Operating income	35,982	33,910	68,242	85,921
Interest income	87	110	342	393
Interest expense	(4,394)	(6,455)	(17,850)	(26,289)
Equity in income (loss) of unconsolidated joint ventures			1,843	872
Total pretax income (loss)	33,954	28,661	57,126	66,348
Financial services:
Revenues	2,953	2,983	7,351	8,014
Expenses	(910)	(859)	(2,802)	(2,563)
Income tax expense	(10,700)	(300)	(16,500)	(800)
Net income	$ 23,254	$ 28,361	$ 40,626	$ 65,548
Earnings Per Share, Basic, in dollars per share	$ 0.25	$ 0.31	$ 0.44	$ 0.74
Earnings Per Share, Diluted, in dollars per share	$ 0.23	$ 0.28	$ 0.42	$ 0.68
Weighted average shares outstanding — basic	92,065	91,793	92,005	88,389
Weighted average shares outstanding — diluted	101,874	102,070	101,605	98,614
Cash dividends declared per common share	$ 0.0250	$ 0.0250	$ 0.075	$ 0.075
Homebuilding [Member]
Total revenues	$ 840,204	$ 586,231	$ 2,038,896	$ 1,596,894
Homebuilding:
Equity in income (loss) of unconsolidated joint ventures	(422)	(751)	(1,180)	1,161
Total pretax income (loss)	31,253	26,814	49,554	61,186
Financial services [Member]
Total revenues	2,953	2,983	7,351	8,014
Homebuilding:
Operating income	2,043	2,124	4,549	5,451
Equity in income (loss) of unconsolidated joint ventures	658	(277)	3,023	(289)
Total pretax income (loss)	$ 2,701	$ 1,847	$ 7,572	$ 5,162