Supplemental Guarantor Information (Level 4 IS) (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Supplemental Condensed Consolidating Statement of Operations
Revenues	$ 1,115,557	$ 852,583	$ 2,044,123	$ 1,706,035
Cost of revenues	870,571	678,512	1,582,882	1,328,544
Selling, general and administrative	128,340	107,685	250,136	213,999
Total	998,911	786,197	1,833,018	1,542,543
Income (loss) from operations	116,646	66,386	211,105	163,492
Other [Abstract]
Income (loss) from unconsolidated entities	9,118	6,227	17,756	11,128
Other income - net	14,633	13,919	28,353	35,935
Intercompany interest income	0	0	0	0
Interest Expense	0	0	0	0
Income from subsidiaries	0	0	0	0
Income (loss) before income taxes	140,397	86,532	257,214	210,555
Income tax provision (benefit)	51,343	18,602	94,980	61,300
Net income (loss)	89,054	67,930	162,234	149,255
Other Comprehensive Income (Loss), Net of Tax	159	(30)	(101)	(213)
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ 89,213	$ 67,900	$ 162,133	$ 149,042
Toll Brothers Inc. [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	$ 10	$ 23	$ 22	$ 37
Total	10	23	22	37
Income (loss) from operations	$ (10)	$ (23)	$ (22)	$ (37)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	$ 2,320	$ 2,300	$ 4,711	$ 4,670
Intercompany interest income
Interest Expense
Income from subsidiaries	$ 138,087	$ 84,255	$ 252,525	$ 205,922
Income (loss) before income taxes	140,397	86,532	257,214	210,555
Income tax provision (benefit)	51,343	18,602	94,980	61,300
Net income (loss)	89,054	67,930	162,234	149,255
Other Comprehensive Income (Loss), Net of Tax	155	(23)	(132)	(201)
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ 89,209	$ 67,907	$ 162,102	$ 149,054
Subsidiary Issuer [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	$ 951	$ 914	$ 1,920	$ 1,822
Total	951	914	1,920	1,822
Income (loss) from operations	$ (951)	$ (914)	$ (1,920)	$ (1,822)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net
Intercompany interest income	$ 36,480	$ 36,200	$ 72,977	$ 72,393
Interest Expense	$ (37,819)	$ (37,576)	$ (75,714)	$ (75,228)
Income from subsidiaries
Income (loss) before income taxes	$ (2,290)	$ (2,290)	$ (4,657)	$ (4,657)
Income tax provision (benefit)	(882)	(871)	(1,794)	(1,762)
Net income (loss)	$ (1,408)	$ (1,419)	$ (2,863)	$ (2,895)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ (1,408)	$ (1,419)	$ (2,863)	$ (2,895)
Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	1,090,366	861,896	1,874,962	1,724,050
Cost of revenues	853,260	680,515	1,478,061	1,332,727
Selling, general and administrative	134,625	114,151	260,530	226,194
Total	987,885	794,666	1,738,591	1,558,921
Income (loss) from operations	102,481	67,230	136,371	165,129
Other [Abstract]
Income (loss) from unconsolidated entities	7,336	2,712	10,333	7,434
Other income - net	$ 5,226	$ 7,800	$ 13,395	$ 18,033
Intercompany interest income
Interest Expense
Income from subsidiaries	$ 23,043	$ 6,513	$ 92,425	$ 15,326
Income (loss) before income taxes	138,086	84,255	252,524	205,922
Income tax provision (benefit)	53,168	32,093	97,272	77,900
Net income (loss)	84,918	52,162	155,252	128,022
Other Comprehensive Income (Loss), Net of Tax	4	(7)	31	(12)
Comprehensive Income (loss), Net of Tax, Attributable to Parent	84,922	52,155	155,283	128,010
Nonguarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	55,527	17,550	225,750	33,152
Cost of revenues	20,780	1,429	110,867	3,095
Selling, general and administrative	17,228	13,701	35,201	27,090
Total	38,008	15,130	146,068	30,185
Income (loss) from operations	17,519	2,420	79,682	2,967
Other [Abstract]
Income (loss) from unconsolidated entities	1,782	3,515	7,423	3,694
Other income - net	$ 6,346	$ 3,003	$ 10,539	$ 13,588
Intercompany interest income
Interest Expense	$ (315)	$ (135)	$ (563)	$ (266)
Income from subsidiaries
Income (loss) before income taxes	$ 25,332	$ 8,803	$ 97,081	$ 19,983
Income tax provision (benefit)	9,744	3,349	37,396	7,559
Net income (loss)	$ 15,588	$ 5,454	$ 59,685	$ 12,424
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ 15,588	$ 5,454	$ 59,685	$ 12,424
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	(30,336)	(26,863)	(56,589)	(51,167)
Cost of revenues	(3,469)	(3,432)	(6,046)	(7,278)
Selling, general and administrative	(24,474)	(21,104)	(47,537)	(41,144)
Total	(27,943)	(24,536)	(53,583)	(48,422)
Income (loss) from operations	$ (2,393)	$ (2,327)	$ (3,006)	$ (2,745)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	$ 741	$ 816	$ (292)	$ (356)
Intercompany interest income	(36,480)	(36,200)	(72,977)	(72,393)
Interest Expense	38,134	37,711	76,277	75,494
Income from subsidiaries	(161,130)	(90,768)	(344,950)	(221,248)
Income (loss) before income taxes	(161,128)	(90,768)	(344,948)	(221,248)
Income tax provision (benefit)	(62,030)	(34,571)	(132,874)	(83,697)
Net income (loss)	$ (99,098)	$ (56,197)	$ (212,074)	$ (137,551)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ (99,098)	$ (56,197)	$ (212,074)	$ (137,551)