Supplemental Guarantor Information (Level 4 IS) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Supplemental Condensed Consolidating Statement of Operations
Revenues	$ 1,350,690	$ 1,056,857	$ 860,374	$ 643,681	$ 1,044,534	$ 689,160	$ 516,004	$ 424,601	$ 3,911,602	$ 2,674,299	$ 1,882,781
Cost of revenues									3,081,837	2,133,300	1,532,095
Selling, general and administrative									432,516	339,932	287,257
Total									3,514,353	2,473,232	1,819,352
Income (loss) from operations									397,249	201,067	63,429
Other [Abstract]
Income (loss) from unconsolidated entities									41,141	14,392	23,592
Other income - net									66,192	52,238	25,921
Intercompany interest income									0	0	0
Interest Expense									0	0	0
Loss from subsidiaries									0	0	0
Income (loss) before income tax benefit	188,538	151,325	93,484	71,235	150,150	68,253	40,968	8,326	504,582	267,697	112,942
Income tax provision (benefit)									164,550	97,091	(374,204)
Net income	131,524	97,707	65,222	45,580	94,905	46,595	24,674	4,432	340,032	170,606	487,146
Other Comprehensive Income (Loss), Net of Tax									(451)	2,432	(1,917)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									339,581	173,038	485,229
Toll Brothers Inc. [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative									132	188	95
Total									132	188	95
Income (loss) from operations									(132)	(188)	(95)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net									9,403	9,433	1,327
Intercompany interest income
Interest Expense
Loss from subsidiaries									495,311	258,452	111,710
Income (loss) before income tax benefit									504,582	267,697	112,942
Income tax provision (benefit)									164,550	97,091	(374,204)
Net income									340,032	170,606	487,146
Other Comprehensive Income (Loss), Net of Tax									(677)	2,334	(1,839)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									339,355	172,940	485,307
Subsidiary Issuer [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative									3,670	2,963	2,965
Total									3,670	2,963	2,965
Income (loss) from operations									(3,670)	(2,963)	(2,965)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net
Intercompany interest income									148,177	127,057	116,835
Interest Expense									(153,898)	(133,500)	(115,141)
Loss from subsidiaries
Income (loss) before income tax benefit									(9,391)	(9,406)	(1,271)
Income tax provision (benefit)									(3,609)	(3,691)
Net income									(5,782)	(5,715)	(1,271)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									(5,782)	(5,715)	(1,271)
Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									3,950,509	2,711,438	1,903,177
Cost of revenues									3,098,048	2,149,554	1,541,937
Selling, general and administrative									457,808	364,256	309,923
Total									3,555,856	2,513,810	1,851,860
Income (loss) from operations									394,653	197,628	51,317
Other [Abstract]
Income (loss) from unconsolidated entities									40,588	9,318	18,342
Other income - net									40,594	32,217	20,032
Intercompany interest income
Interest Expense
Loss from subsidiaries									19,476	19,289	22,019
Income (loss) before income tax benefit									495,311	258,452	111,710
Income tax provision (benefit)									190,349	101,416	25,515
Net income									304,962	157,036	86,195
Other Comprehensive Income (Loss), Net of Tax									202	114	(71)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									305,164	157,150	86,124
Non-Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									79,097	70,107	57,581
Cost of revenues									9,406	10,043	10,597
Selling, general and administrative									55,721	48,413	38,424
Total									65,127	58,456	49,021
Income (loss) from operations									13,970	11,651	8,560
Other [Abstract]
Income (loss) from unconsolidated entities									553	5,074	5,250
Other income - net									15,416	12,616	10,181
Intercompany interest income
Interest Expense									(1,072)	(646)	(701)
Loss from subsidiaries
Income (loss) before income tax benefit									28,867	28,695	23,290
Income tax provision (benefit)									11,094	11,260	5,319
Net income									17,773	17,435	17,971
Other Comprehensive Income (Loss), Net of Tax									24	(16)	(7)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									17,797	17,419	17,964
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									(118,004)	(107,246)	(77,977)
Cost of revenues									(25,617)	(26,297)	(20,439)
Selling, general and administrative									(84,815)	(75,888)	(64,150)
Total									(110,432)	(102,185)	(84,589)
Income (loss) from operations									(7,572)	(5,061)	6,612
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net									779	(2,028)	(5,619)
Intercompany interest income									(148,177)	(127,057)	(116,835)
Interest Expense									154,970	134,146	115,842
Loss from subsidiaries									(514,787)	(277,741)	(133,729)
Income (loss) before income tax benefit									(514,787)	(277,741)	(133,729)
Income tax provision (benefit)									(197,834)	(108,985)	(30,834)
Net income									(316,953)	(168,756)	(102,895)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									$ (316,953)	$ (168,756)	$ (102,895)