Inventory - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2025 USD ($) contract	Jul. 31, 2024 USD ($)	Jul. 31, 2025 USD ($) contract	Jul. 31, 2024 USD ($)	Oct. 31, 2024 USD ($) contract
Variable Interest Entity [Line Items]
Inventory write-down	$ 23,315	$ 5,459	$ 49,531	$ 35,358
Land purchase commitment amount	7,404,921		7,404,921		$ 6,100,630
Unrelated parties
Variable Interest Entity [Line Items]
Land purchase commitment amount	7,280,976		7,280,976		6,073,847
Land Parcel Purchase Commitment
Variable Interest Entity [Line Items]
Deposits against aggregate purchase price	$ 782,200		$ 782,200		$ 549,195
Variable Interest Entities ("VIEs")
Variable Interest Entity [Line Items]
Number of determined land purchase contracts | contract	335		335		297
Variable Interest Entities ("VIEs") | Unrelated parties
Variable Interest Entity [Line Items]
Land purchase commitment amount	$ 7,070,000		$ 7,070,000		$ 5,590,000
Variable Interest Entities ("VIEs") | Land Parcel Purchase Commitment
Variable Interest Entity [Line Items]
Deposits against aggregate purchase price	755,400		755,400		$ 522,100
Land and Land Improvements
Variable Interest Entity [Line Items]
Inventory write-down				4,400
Land and Land Improvements | South
Variable Interest Entity [Line Items]
Inventory write-down	$ 700		$ 2,600
Land and Land Improvements | Mid-Atlantic
Variable Interest Entity [Line Items]
Inventory write-down		$ 3,800		$ 600