Supplemental Disclosure to Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Nov. 30, 2017	Nov. 30, 2016
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	$ 560,806	$ 352,450	$ 720,861	$ 593,000
Supplemental disclosures of cash flow information:
Interest paid, net of amounts capitalized	(10,981)	(9,536)
Income taxes paid	1,639	836
Supplemental disclosures of noncash activities:
Increase (decrease) in consolidated inventories not owned	8,466	(22,554)
Inventories acquired through seller financing	36,697	7,814
Homebuilding
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	560,255	351,880	720,630
Financial Services
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	551	570	$ 231
Inspirada Builders LLC
Supplemental disclosures of noncash activities:
Increase in inventories due to distributions of land and land development from an unconsolidated joint venture	$ 2,699	$ 1,986