Supplemental Guarantor Information (Level 4 IS) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Supplemental Condensed Consolidating Statement of Operations
Revenues	$ 852,583us-gaap_HomeBuildingRevenue	$ 860,374us-gaap_HomeBuildingRevenue	$ 1,706,035us-gaap_HomeBuildingRevenue	$ 1,504,055us-gaap_HomeBuildingRevenue
Cost of revenues	678,512us-gaap_HomeBuildingCosts	687,998us-gaap_HomeBuildingCosts	1,328,544us-gaap_HomeBuildingCosts	1,202,030us-gaap_HomeBuildingCosts
Selling, general and administrative	107,685	104,320	213,999	202,190
Total	786,197us-gaap_CostsAndExpenses	792,318us-gaap_CostsAndExpenses	1,542,543us-gaap_CostsAndExpenses	1,404,220us-gaap_CostsAndExpenses
Income (loss) from operations	66,386us-gaap_OperatingIncomeLoss	68,056us-gaap_OperatingIncomeLoss	163,492us-gaap_OperatingIncomeLoss	99,835us-gaap_OperatingIncomeLoss
Other [Abstract]
Income (loss) from unconsolidated entities	6,227	14,327	11,128	37,242
Other income - net	13,919us-gaap_OtherNonoperatingIncomeExpense	11,101us-gaap_OtherNonoperatingIncomeExpense	35,935us-gaap_OtherNonoperatingIncomeExpense	27,642us-gaap_OtherNonoperatingIncomeExpense
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Interest Expense	0us-gaap_InterestExpense	0us-gaap_InterestExpense	0us-gaap_InterestExpense	0us-gaap_InterestExpense
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Income (loss) before income taxes	86,532	93,484	210,555	164,719
Income tax provision (benefit)	18,602us-gaap_IncomeTaxExpenseBenefit	28,262us-gaap_IncomeTaxExpenseBenefit	61,300us-gaap_IncomeTaxExpenseBenefit	53,917us-gaap_IncomeTaxExpenseBenefit
Net income (loss)	67,930us-gaap_NetIncomeLoss	65,222us-gaap_NetIncomeLoss	149,255us-gaap_NetIncomeLoss	110,802us-gaap_NetIncomeLoss
Other Comprehensive Income (Loss), Net of Tax	(30)	94	(213)	357
Comprehensive Income (loss), Net of Tax, Attributable to Parent	67,900us-gaap_ComprehensiveIncomeNetOfTax	65,316us-gaap_ComprehensiveIncomeNetOfTax	149,042us-gaap_ComprehensiveIncomeNetOfTax	111,159us-gaap_ComprehensiveIncomeNetOfTax
Toll Brothers Inc. [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	23	14	37	69
Total	23	14	37	69
Income (loss) from operations	(23)	(14)	(37)	(69)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	2,300	2,295	4,670	4,660
Intercompany interest income
Interest Expense
Income from subsidiaries	84,255	91,203	205,922	160,128
Income (loss) before income taxes	86,532	93,484	210,555	164,719
Income tax provision (benefit)	18,602	28,262	61,300	53,917
Net income (loss)	67,930	65,222	149,255	110,802
Other Comprehensive Income (Loss), Net of Tax	(23)	103	(201)	156
Comprehensive Income (loss), Net of Tax, Attributable to Parent	67,907	65,325	149,054	110,958
Subsidiary Issuer [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	914	928	1,822	1,865
Total	914	928	1,822	1,865
Income (loss) from operations	(914)	(928)	(1,822)	(1,865)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net
Intercompany interest income	36,200	37,963	72,393	76,107
Interest Expense	(37,576)	(39,325)	(75,228)	(78,899)
Income from subsidiaries
Income (loss) before income taxes	(2,290)	(2,290)	(4,657)	(4,657)
Income tax provision (benefit)	(871)	(823)	(1,762)	(1,751)
Net income (loss)	(1,419)	(1,467)	(2,895)	(2,906)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	(1,419)	(1,467)	(2,895)	(2,906)
Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	861,896	869,305	1,724,050	1,520,077
Cost of revenues	680,515	690,656	1,332,727	1,206,293
Selling, general and administrative	114,151	110,947	226,194	213,647
Total	794,666	801,603	1,558,921	1,419,940
Income (loss) from operations	67,230	67,702	165,129	100,137
Other [Abstract]
Income (loss) from unconsolidated entities	2,712	13,371	7,434	37,578
Other income - net	7,800	7,243	18,033	17,815
Intercompany interest income
Interest Expense
Income from subsidiaries	6,513	2,887	15,326	4,598
Income (loss) before income taxes	84,255	91,203	205,922	160,128
Income tax provision (benefit)	32,093	33,212	77,900	60,224
Net income (loss)	52,162	57,991	128,022	99,904
Other Comprehensive Income (Loss), Net of Tax	(7)	(11)	(12)	189
Comprehensive Income (loss), Net of Tax, Attributable to Parent	52,155	57,980	128,010	100,093
Nonguarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	17,550	17,665	33,152	33,267
Cost of revenues	1,429	1,457	3,095	4,059
Selling, general and administrative	13,701	12,799	27,090	26,436
Total	15,130	14,256	30,185	30,495
Income (loss) from operations	2,420	3,409	2,967	2,772
Other [Abstract]
Income (loss) from unconsolidated entities	3,515	956	3,694	(336)
Other income - net	3,003	1,008	13,588	7,208
Intercompany interest income
Interest Expense	(135)	(196)	(266)	(389)
Income from subsidiaries
Income (loss) before income taxes	8,803	5,177	19,983	9,255
Income tax provision (benefit)	3,349	1,883	7,559	3,481
Net income (loss)	5,454	3,294	12,424	5,774
Other Comprehensive Income (Loss), Net of Tax		2		12
Comprehensive Income (loss), Net of Tax, Attributable to Parent	5,454	3,296	12,424	5,786
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	(26,863)	(26,596)	(51,167)	(49,289)
Cost of revenues	(3,432)	(4,115)	(7,278)	(8,322)
Selling, general and administrative	(21,104)	(20,368)	(41,144)	(39,827)
Total	(24,536)	(24,483)	(48,422)	(48,149)
Income (loss) from operations	(2,327)	(2,113)	(2,745)	(1,140)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	816	555	(356)	(2,041)
Intercompany interest income	(36,200)	(37,963)	(72,393)	(76,107)
Interest Expense	37,711	39,521	75,494	79,288
Income from subsidiaries	(90,768)	(94,090)	(221,248)	(164,726)
Income (loss) before income taxes	(90,768)	(94,090)	(221,248)	(164,726)
Income tax provision (benefit)	(34,571)	(34,272)	(83,697)	(61,954)
Net income (loss)	(56,197)	(59,818)	(137,551)	(102,772)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ (56,197)	$ (59,818)	$ (137,551)	$ (102,772)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The aggregate costs related to design, development, general contracting, remodeling, and renovation services for residential buildings, including single-family houses, multifamily housing, townhomes, apartments, and modular housing.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the cost of borrowed funds accounted for as interest expense.

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