Supplemental Disclosure to Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
	May 31, 2018	May 31, 2017	Nov. 30, 2017	Nov. 30, 2016
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	$ 670,554	$ 349,372	$ 720,861	$ 593,000
Supplemental disclosures of cash flow information:
Interest paid, net of amounts capitalized	(3,665)	2,105
Income taxes paid	7,595	3,039
Supplemental disclosures of noncash activities:
Increase (decrease) in consolidated inventories not owned	17,518	(37,371)
Inventories acquired through seller financing	36,697	28,160
Homebuilding
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	669,798	348,588	720,630
Financial Services
Summary of cash and cash equivalents at end of period:
Cash and cash equivalents	756	784	$ 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	$ 5,113	$ 3,676