Supplemental Guarantor Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2010	Apr. 30, 2010	Jan. 31, 2010	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Supplemental Condensed Consolidating Statement of Operations
Revenues	$ 427,785	$ 394,305	$ 319,675	$ 334,116	$ 402,600	$ 454,202	$ 311,271	$ 326,698	$ 1,475,881	$ 1,494,771	$ 1,755,310
Cost of revenues									1,260,770	1,376,558	1,951,312
Selling, general and administrative									261,355	263,224	313,209
Interest expense									1,504	22,751	7,949
Total									1,523,629	1,662,533	2,272,470
Loss from operations									(47,748)	(167,762)	(517,160)
Other:
(Loss) income from unconsolidated entities									(1,194)	23,470	(7,518)
Interest and other									23,403	28,313	41,906
Expenses related to early retirement of debt									(3,827)	(1,208)	(13,693)
Loss before income tax benefit									(29,366)	(117,787)	(496,465)
Income tax provision (benefit)									(69,161)	(113,813)	259,360
Net income (loss)	15,043	42,108	(20,773)	3,417	50,479	27,302	(40,401)	(40,754)	39,795	(3,374)	(755,825)
Toll Brothers Inc. [Member]
Supplemental Condensed Consolidating Statement of Operations
Selling, general and administrative									137	77	47
Total									137	77	47
Loss from operations									(137)	(77)	(47)
Other:
Loss from consolidated subsidiaries									(29,229)	(117,110)	(496,418)
Loss before income tax benefit									(29,366)	(117,187)	(496,465)
Income tax provision (benefit)									(69,161)	113,813	259,360
Net income (loss)									39,795	(3,374)	(755,825)
Subsidiary Issuer [Member]
Supplemental Condensed Consolidating Statement of Operations
Selling, general and administrative									1,345	1,365	1,033
Interest expense									103,604	106,411	87,501
Total									104,949	107,776	88,534
Loss from operations									(104,949)	(107,776)	(88,534)
Other:
Interest and other									108,776	108,520	100,160
Expenses related to early retirement of debt									(3,827)	(774)	(11,626)
Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									1,418,883	1,441,773	1,596,491
Cost of revenues									1,203,435	1,311,709	1,767,228
Selling, general and administrative									270,710	261,236	320,019
Interest expense									1,504	22,751	7,949
Total									1,475,649	1,595,696	2,095,196
Loss from operations									(56,766)	(153,923)	(498,705)
Other:
(Loss) income from unconsolidated entities									6,129	5,905	(2,218)
Interest and other									21,408	31,372	6,572
Expenses related to early retirement of debt										(464)	(2,067)
Loss before income tax benefit									(29,229)	(117,110)	(496,418)
Income tax provision (benefit)									(68,837)	124,695	(259,329)
Net income (loss)									39,608	7,585	(237,089)
Non-Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									56,998	52,998	158,819
Cost of revenues									64,847	69,521	181,825
Selling, general and administrative									42,026	22,661	25,028
Total									106,873	92,182	206,853
Loss from operations									(49,875)	(39,184)	(48,034)
Other:
(Loss) income from unconsolidated entities									(7,323)	17,565	(5,300)
Interest and other									44,699	31,460	27,776
Loss before income tax benefit									(12,499)	9,841	(25,558)
Income tax provision (benefit)									(29,436)	(9,596)	(13,351)
Net income (loss)									16,937	245	(11,327)
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Operations
Cost of revenues									(7,512)	(4,672)	2,259
Selling, general and administrative									(52,863)	(22,115)	(32,918)
Interest expense									(103,604)	(106,411)	(87,501)
Total									(163,979)	(133,198)	(118,160)
Loss from operations									163,979	133,198	118,160
Other:
Interest and other									(151,480)	(143,039)	(92,602)
Expenses related to early retirement of debt										0	0
Loss from consolidated subsidiaries									29,229	117,110	496,418
Loss before income tax benefit									41,728	107,269	521,976
Income tax provision (benefit)									98,273	115,099	272,680
Net income (loss)									$ (56,545)	$ (7,830)	$ 248,416