Supplemental Disclosure to Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Summary of cash and cash equivalents at the end of the year:
Cash and cash equivalents	$ 575,119	$ 720,861	$ 593,000	$ 560,341
Interest paid, net of amounts capitalized	8,338	7,581	5,567
Income taxes paid	11,949	4,664	3,307
Income taxes refunded	220	202	550
Supplemental disclosure of non-cash activities:
Increase (decrease) in consolidated inventories not owned	16,098	(44,833)	(59,413)
Inventories acquired through seller financing	44,586	49,658	99,108
Homebuilding [Member]
Summary of cash and cash equivalents at the end of the year:
Cash and cash equivalents	574,359	720,630	592,086
Financial services [Member]
Summary of cash and cash equivalents at the end of the year:
Cash and cash equivalents	760	231	914
Inspirada Builders LLC [Member]
Supplemental disclosure of non-cash activities:
Increase in inventories due to distributions of land and land development from an unconsolidated joint venture	17,637	6,650	4,277
Water Intrusion [Member]
Supplemental disclosure of non-cash activities:
Reclassification of warranty recoveries to receivables	$ 0	$ 0	$ 2,151