Supplemental Disclosure to Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Nov. 30, 2016	Nov. 30, 2015
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	$ 352,450	$ 324,856	$ 593,000	$ 560,341
Supplemental disclosures of cash flow information:
Interest paid, net of amounts capitalized	(9,536)	(12,955)
Income taxes paid	836	458
Supplemental disclosures of noncash activities:
Increase (decrease) in consolidated inventories not owned	(22,554)	(28,511)
Cost of inventories acquired through seller financing	7,814	32,435
Homebuilding
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	351,880	323,076	592,086
Financial Services
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	570	1,780	$ 914
Inspirada Builders LLC [Member]
Supplemental disclosures of noncash activities:
Increase in inventories due to distribution of land from unconsolidated joint venture	1,986	2,674
Warranty Reserves [Member]
Supplemental disclosures of noncash activities:
Loss Contingency, Receivable	$ 0	$ 1,758