Acquisition	12 Months Ended
	Oct. 31, 2020
Business Combinations [Abstract]
Acquisition	AcquisitionsIn fiscal 2020, we acquired substantially all of the assets and operations of The Thrive Group, LLC (“Thrive”), an urban infill builder with operations in Atlanta, Georgia and Nashville, Tennessee, and Keller Homes, Inc. (“Keller”), a builder with operations in Colorado Springs, Colorado. The aggregate purchase price for these acquisitions was approximately $79.2 million in cash. The assets acquired were primarily inventory, including approximately 1,100 home sites owned or controlled through land purchase agreements. One of these acquisitions was accounted for as a business combination and neither were material to our results of operations or financial condition.In fiscal 2019, we acquired substantially all of the assets and operations of Sharp Residential, LLC (“Sharp”) and Sabal Homes LLC (“Sabal”), for approximately $162.4 million in cash. Sharp operates in metropolitan Atlanta, Georgia; Sabal operates in the Charleston, Greenville, and Myrtle Beach, South Carolina markets. The assets acquired, were primarily inventory, including approximately 2,550 home sites owned or controlled through land purchase agreements. In connection with these acquisitions, we assumed contracts to deliver 204 homes with an aggregate value of $96.1 million. The average price of undelivered homes at the dates of acquisitions was approximately $471,100. As a result of these acquisitions, our selling community count increased by 22 communities. These acquisitions were accounted for as a business combination and were not material to our results of operations or financial condition.