Investments in Unconsolidated Entities - Narrative (Details)	3 Months Ended								12 Months Ended
	Oct. 31, 2025 USD ($) joint_venture	Jul. 31, 2025 USD ($) joint_venture	Apr. 30, 2025 USD ($)	Jan. 31, 2025 USD ($)	Oct. 31, 2024 USD ($) joint_venture	Jul. 31, 2024 USD ($)	Apr. 30, 2024 USD ($)	Jan. 31, 2024 USD ($)	Oct. 31, 2025 USD ($) joint_venture	Oct. 31, 2024 USD ($) joint_venture	Oct. 31, 2023 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of joint ventures consolidated | joint_venture		2
Revenues:									$ 10,966,723,000	$ 10,846,740,000	$ 9,994,937,000
Number of unconsolidated entities | joint_venture	45				60				45	60
Carrying value of consolidated VIEs assets	$ 14,519,866,000				$ 13,367,932,000				$ 14,519,866,000	$ 13,367,932,000
Variable Interest Entity
Schedule of Equity Method Investments [Line Items]
Number of unconsolidated entities | joint_venture	2				5				2	5
Carrying value of consolidated VIEs assets	$ 77,000,000.0				$ 105,300,000				$ 77,000,000.0	$ 105,300,000
Our partners’ interests in consolidated VIEs	$ 4,700,000				9,800,000				$ 4,700,000	9,800,000
Variable Interest Entity | Disposal Group, Held-for-Sale, Not Discontinued Operations
Schedule of Equity Method Investments [Line Items]
Number of unconsolidated entities | joint_venture	3								3
Carrying value of consolidated VIEs assets	$ 50,400,000								$ 50,400,000
Our partners’ interests in consolidated VIEs	4,500,000								4,500,000
Land sales and other
Schedule of Equity Method Investments [Line Items]
Revenues:	$ 9,399,000	$ 64,142,000	$ 32,624,000	$ 18,355,000	$ 73,458,000	$ 3,472,000	$ 190,466,000	$ 16,012,000	124,520,000	283,408,000	128,911,000
Land Development Joint Ventures
Schedule of Equity Method Investments [Line Items]
Revenues									$ 342,014,000	$ 269,545,000	240,365,000
Number of unconsolidated entities | joint_venture	21				16				21	16
Carrying value of consolidated VIEs assets	$ 1,946,404,000				$ 1,500,351,000				$ 1,946,404,000	$ 1,500,351,000
Equity Method Investee
Schedule of Equity Method Investments [Line Items]
Receivables from joint ventures	$ 6,300,000				$ 9,800,000				6,300,000	9,800,000
Equity Method Investee | Land Development Joint Ventures
Schedule of Equity Method Investments [Line Items]
Revenues									116,400,000	139,200,000	110,700,000
Rental Property Joint Ventures
Schedule of Equity Method Investments [Line Items]
Equity method investment, realized gain on disposal									146,100,000	176,100,000	106,200,000
Equity method investment realized gain loss on sale of ownership interest									0	0	16,000,000.0
Rental Joint Ventures, Including Trusts I and II
Schedule of Equity Method Investments [Line Items]
Equity method investment, realized gain on disposal									45,100,000	24,100,000	50,900,000
Home Building Joint Ventures
Schedule of Equity Method Investments [Line Items]
Impairment losses									2,100,000	6,600,000	0
Homebuilding and Rental Joint Ventures | Land sales and other
Schedule of Equity Method Investments [Line Items]
Revenues:									$ 25,700,000	$ 0	$ 44,200,000
Minimum | Variable Interest Entity
Schedule of Equity Method Investments [Line Items]
Ownership interest	82.00%								82.00%
Minimum | Variable Interest Entity | Disposal Group, Held-for-Sale, Not Discontinued Operations
Schedule of Equity Method Investments [Line Items]
Ownership interest	75.00%								75.00%
Minimum | Rental Property Joint Ventures | Co-venturer
Schedule of Equity Method Investments [Line Items]
Ownership interest	2.50%								2.50%
Maximum | Variable Interest Entity
Schedule of Equity Method Investments [Line Items]
Ownership interest	98.00%								98.00%
Maximum | Variable Interest Entity | Disposal Group, Held-for-Sale, Not Discontinued Operations
Schedule of Equity Method Investments [Line Items]
Ownership interest	98.00%								98.00%
Maximum | Rental Property Joint Ventures | Co-venturer
Schedule of Equity Method Investments [Line Items]
Ownership interest	50.00%								50.00%