Home sites sold

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Investments in and advances to unconsolidated entities.

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Represents the excess (deficiency) of revenue from the sale of land over the cost to acquire, which is recognized in other nonoperating income.

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Number of unconsolidated joint ventures, in which the Company has an interest.

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Number of home sites included in acquisition

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Percentage of homes expected to be sold to each partner

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

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The number of real estate properties owned as of the balance sheet date.

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The number of units in a real estate property owned as of the balance sheet date.

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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The cash outflow from the acquisition of a piece of land and anything permanently fixed to it, including buildings, structures on it and so forth, and payments to develop real estate assets by adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements. Including real estate intended to generate income for the owner; excluding real estate acquired for use by the owner.

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The amount of revenue derived from managing real estate properties.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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Investments in Unconsolidated Entities (Details Textual)	3 Months Ended		9 Months Ended
	Jul. 31, 2020 USD ($) joint_ventures home_sites rental_units Homes_sold	Jul. 31, 2019 USD ($) home_sites Homes_sold	Jul. 31, 2020 USD ($) joint_ventures home_sites Homes_sold rental_units	Jul. 31, 2019 USD ($) Homes_sold home_sites	Oct. 31, 2019 USD ($)
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 412,766,000		$ 412,766,000		$ 366,252,000
Line of Credit Facility, Maximum Borrowing Capacity	1,809,619,000		1,809,619,000
Long-term Line of Credit	1,327,675,000		1,327,675,000
Assets	10,537,431,000		10,537,431,000		10,828,138,000
Other Commitment	$ 58,226,000		$ 58,226,000
Number of Joint Ventures \| joint_ventures	45		45
Equity Method Investment, Other than Temporary Impairment		$ 0	$ 3,000,000.0	$ 0
Revenues	$ 1,651,489,000	1,765,691,000	4,531,992,000	4,844,966,000
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues	78,897,000	$ 179,608,000	291,179,000	$ 511,226,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	412,766,000		412,766,000		366,252,000
Assets	2,699,668,000		2,699,668,000		2,503,663,000
Rental Property Joint Ventures Northern New Jersey [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity					76,000,000.0
Rental Property Joint Ventures new fiscal 2020 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	213,200,000		213,200,000
Long-term Line of Credit	29,000,000.0		29,000,000.0
Rental Property Joint Ventures new fiscal 2019 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	134,400,000		134,400,000
Long-term Line of Credit	$ 82,100,000		$ 82,100,000
Land Development Joint Ventures [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Home sites sold \| home_sites	235	182	568	680
Line of Credit Facility, Maximum Borrowing Capacity	$ 158,823,000		$ 158,823,000
Long-term Line of Credit	133,654,000		133,654,000
Land Development Joint Ventures [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues	$ 15,500,000	$ 43,500,000	$ 59,400,000	$ 182,400,000
Home Building Joint Ventures, Total [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Home sites sold \| Homes_sold	9	33	41	105
Line of Credit Facility, Maximum Borrowing Capacity	$ 43,054,000		$ 43,054,000
Long-term Line of Credit	43,054,000		43,054,000
Home Building Joint Ventures, Total [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues	35,600,000	$ 95,800,000	127,000,000.0	$ 217,600,000
Home Building Joint Venture Metro New York Five [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	76,600,000		76,600,000		236,500,000
Long-term Line of Credit	$ 43,100,000		$ 43,100,000
Rental Joint Ventures, including the Trust [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Real Estate Properties \| joint_ventures	28		28
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,607,742,000		$ 1,607,742,000
Long-term Line of Credit	$ 1,150,967,000		$ 1,150,967,000
Toll Brothers Realty Trust [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	33.30%		33.30%
Toll Brothers Realty Trust [Member] \| Management [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	33.30%		33.30%
Rental Property Joint Ventures new fiscal 2020 Woburn MA [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	$ 75,400,000		$ 75,400,000
Long-term Line of Credit	0		0
Land Development Joint Venture new fiscal 2020 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	48,000,000.0		48,000,000.0
Long-term Line of Credit	$ 32,700,000		32,700,000
Number of home sites included in acquisition	309
Percentage of homes expected to be sold to each partner	50.00%
Rental Property Joint Ventures Northern New Jersey [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Proceeds from Sale of Equity Method Investments			16,800,000
Equity Method Investment, Realized Gain (Loss) on Disposal			$ 10,700,000
Rental Property Joint Ventures new fiscal 2020 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Real Estate Properties \| joint_ventures	5		5
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 53,500,000		$ 53,500,000
Rental Property Joint Ventures new fiscal 2019 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Real Estate Properties \| joint_ventures	2		2
Land sales earnings, net				$ 8,400,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 15,800,000		$ 15,800,000
Rental Property Joint Ventures new fiscal 2019 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	75.00%		75.00%
Land Development Joint Ventures [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 129,019,000		$ 129,019,000
Number of Joint Ventures \| joint_ventures	9		9
Land Development Joint Ventures [Member] \| Equity Method Investee [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Home sites sold \| home_sites	32	53	118	248
Land Development Joint Ventures [Member] \| Equity Method Investee [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues	$ 2,700,000	$ 20,400,000	$ 10,500,000	$ 116,900,000
Toll Brothers Realty Trust [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	33.30%		33.30%
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 0		$ 0
Property Management Fee Revenue			$ 800,000
Gibraltar Land Banking & Development Joint Ventures [Member] [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	25.00%		25.00%
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 20,800,000		$ 20,800,000
Number of Joint Ventures \| joint_ventures	6		6
Single Family Build to Rent JV [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 2,900,000		$ 2,900,000
Rental Property Joint Ventures new fiscal 2020 Woburn MA [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Land sales earnings, net			900,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 9,100,000		$ 9,100,000
Rental Property Joint Ventures new fiscal 2020 Woburn MA [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	75.00%		75.00%
Land Development Joint Venture new fiscal 2020 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 24,600,000		$ 24,600,000
Land Development Joint Venture new fiscal 2020 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	50.00%		50.00%
Occupied or Ready for Occupancy [Member] \| Rental Joint Ventures, including the Trust [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Units in Real Estate Property \| rental_units	2,000		2,000
Lease up Stage [Member] \| Rental Joint Ventures, including the Trust [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Units in Real Estate Property \| rental_units	2,050		2,050
Asset under Construction [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Units in Real Estate Property \| rental_units	200		200
Asset under Construction [Member] \| Rental Joint Ventures, including the Trust [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Units in Real Estate Property \| rental_units	5,000		5,000
In Planning Phase [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Units in Real Estate Property \| rental_units	10,650		10,650
Rental Property Joint Ventures new fiscal 2019 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Payments to Acquire and Develop Real Estate				41,900,000
Rental Property Joint Ventures new fiscal 2020 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Payments to Acquire and Develop Real Estate			$ 73,700,000
Rental Joint Ventures, including the Trust [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Real Estate Properties \| joint_ventures	5		5
Real Estate Investment Property, at Cost					95,500,000
Variable Interest Entity, Primary Beneficiary [Member] \| Rental Joint Ventures, including the Trust [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Number of Real Estate Properties \| joint_ventures	5		5
Assets	$ 155,000,000.0		$ 155,000,000.0		145,800,000
Noncontrolling Interest in Variable Interest Entity	45,100,000		45,100,000		$ 41,000,000.0
Land [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues	23,677,000	$ 8,721,000	90,609,000	56,631,000
Land [Member] \| Rental Property Joint Ventures new fiscal 2020 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues			39,100,000
Land [Member] \| Rental Property Joint Ventures new fiscal 2019 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues				$ 39,800,000
Land [Member] \| Rental Property Joint Ventures new fiscal 2020 Woburn MA [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Revenues			19,100,000
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Land Development Joint Ventures [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Other Commitment	30,300,000		30,300,000
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Gibraltar Land Banking & Development Joint Ventures [Member] [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Other Commitment	100,000,000.0		100,000,000.0
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Single Family Build to Rent JV [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Other Commitment	60,000,000.0		60,000,000.0
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Land Development Joint Venture new fiscal 2020 [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Other Commitment	$ 2,000,000.0		$ 2,000,000.0
Minimum [Member] \| Rental Property Joint Ventures new fiscal 2020 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	50.00%		50.00%
Minimum [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Rental Property Joint Ventures new fiscal 2019 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	50.00%		50.00%
Maximum [Member] \| Rental Property Joint Ventures new fiscal 2020 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	70.00%		70.00%
Maximum [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Rental Property Joint Ventures new fiscal 2019 [Member] \| Co-venturer [Member]
Investments in and Advances to Unconsolidated Entities (Textual) [Abstract]
Equity Method Investment, Ownership Percentage	98.00%		98.00%