Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Feb. 28, 2015	Feb. 28, 2014
Total revenues	$ 580,121	$ 450,687
Homebuilding:
Revenues	577,888	448,267
Construction and land costs	(492,418)	(369,274)
Selling, general and administrative expenses	(71,072)	(61,274)
Operating income	14,398	17,719
Interest income	103	168
Interest expense	(5,338)	(11,276)
Equity in income (loss) of unconsolidated joint ventures	67	2,584
Total pretax income (loss)	10,499	10,763
Financial services:
Revenues	2,233	2,420
Expenses	(964)	(852)
Income tax expense	(2,700)	(200)
Net income	7,799	10,563
Earnings Per Share, Basic, in dollars per share	$ 0.08	$ 0.13
Earnings Per Share, Diluted, in dollars per share	$ 0.08	$ 0.12
Weighted Average Number of Shares Outstanding, Basic	91,954	83,745
Weighted Average Number of Shares Outstanding, Diluted	101,700	93,946
Cash dividends declared per common share	$ 0.0250	$ 0.0250
Homebuilding [Member]
Total revenues	577,888	448,267
Homebuilding:
Equity in income (loss) of unconsolidated joint ventures	(347)	2,590
Total pretax income (loss)	8,816	9,201
Financial services [Member]
Total revenues	2,233	2,420
Homebuilding:
Operating income	1,269	1,568
Equity in income (loss) of unconsolidated joint ventures	414	(6)
Total pretax income (loss)	$ 1,683	$ 1,562