Revised Supplemental Guarantor Information (Level 4 IS) (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Supplemental Condensed Consolidating Statement of Operations
Revenues	$ 632,826	$ 554,319	$ 373,681	$ 321,955	$ 427,785	$ 394,305	$ 319,675	$ 334,116	$ 1,882,781	$ 1,475,881	$ 1,494,771
Cost of revenues									1,532,095	1,260,770	1,376,558
Selling, general and administrative									287,257	261,355	263,224
Costs and Expenses									1,819,352	1,522,125	1,639,782
Operating Income (Loss)									63,429	(46,244)	(145,011)
Other [Abstract]
Income (loss) from unconsolidated entities									23,592	(1,194)	23,470
Other income - net									25,921	23,403	28,313
Intercompany interest income									0	0	0
Interest expense									0	(1,504)	(22,751)
Expenses related to early retirement of debt										(3,827)	(1,208)
Income (loss) from consolidated subsidiaries									0	0	0
Income (loss) before income tax benefit	60,749	42,952	15,649	(6,408)	15,277	3,888	(31,484)	(17,047)	112,942	(29,366)	(117,187)
Income Tax Expense (Benefit)									(374,204)	(69,161)	(113,813)
Net income (loss)	411,417	61,643	16,872	(2,786)	15,043	42,108	(20,773)	3,417	487,146	39,795	(3,374)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent									(1,917)	(2,126)	2,060
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									485,229	37,669	(1,314)
Toll Brothers Inc. [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative									95	137	77
Costs and Expenses									95	137	77
Operating Income (Loss)									(95)	(137)	(77)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net									1,327
Intercompany interest income
Interest expense
Expenses related to early retirement of debt
Income (loss) from consolidated subsidiaries									111,710	(29,229)	(117,110)
Income (loss) before income tax benefit									112,942	(29,366)	(117,187)
Income Tax Expense (Benefit)									(374,204)	(69,161)	(113,813)
Net income (loss)									487,146	39,795	(3,374)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent									(1,839)	(1,934)	1,986
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									485,307	37,861	(1,388)
Subsidiary Issuer [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative									2,965	1,345	1,365
Costs and Expenses									2,965	1,345	1,365
Operating Income (Loss)									(2,965)	(1,345)	(1,365)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net
Intercompany interest income									116,835	108,776	108,520
Interest expense									(115,141)	(103,604)	(106,411)
Expenses related to early retirement of debt										(3,827)	(744)
Income (loss) from consolidated subsidiaries
Income (loss) before income tax benefit									(1,271)	0	0
Income Tax Expense (Benefit)
Net income (loss)									(1,271)	0	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									(1,271)	0	0
Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									1,903,177	1,502,147	1,520,545
Cost of revenues									1,541,937	1,274,173	1,388,106
Selling, general and administrative									309,923	279,131	264,000
Costs and Expenses									1,851,860	1,553,304	1,652,106
Operating Income (Loss)									51,317	(51,157)	(131,561)
Other [Abstract]
Income (loss) from unconsolidated entities									18,342	(18,905)	16,886
Other income - net									20,032	15,784	5,890
Intercompany interest income
Interest expense										(1,504)	(22,751)
Expenses related to early retirement of debt											(464)
Income (loss) from consolidated subsidiaries									22,019	26,553	14,890
Income (loss) before income tax benefit									111,710	(29,229)	(117,110)
Income Tax Expense (Benefit)									25,515	(68,837)	(113,739)
Net income (loss)									86,195	39,608	(3,371)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent									(71)	(192)	74
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									86,124	39,416	(3,297)
Non-Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									57,581	48,365	28,461
Cost of revenues									10,597	4,314	3,564
Selling, general and administrative									38,424	33,605	19,897
Costs and Expenses									49,021	37,919	23,461
Operating Income (Loss)									8,560	10,446	5,000
Other [Abstract]
Income (loss) from unconsolidated entities									5,250	17,711	6,584
Other income - net									10,181	(1,359)	3,624
Intercompany interest income
Interest expense									(701)	(245)	(318)
Expenses related to early retirement of debt
Income (loss) from consolidated subsidiaries
Income (loss) before income tax benefit									23,290	26,553	14,890
Income Tax Expense (Benefit)									5,319	62,536	14,461
Net income (loss)									17,971	(35,983)	429
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent									(7)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									17,964	(35,983)	429
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues									(77,977)	(74,631)	(54,235)
Cost of revenues									(20,439)	(17,717)	(15,112)
Selling, general and administrative									(64,150)	(52,863)	(22,115)
Costs and Expenses									(84,589)	(70,580)	(37,227)
Operating Income (Loss)									6,612	(4,051)	(17,008)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net									(5,619)	8,978	18,799
Intercompany interest income									(116,835)	(108,776)	(108,520)
Interest expense									115,842	103,849	106,729
Expenses related to early retirement of debt
Income (loss) from consolidated subsidiaries									(133,729)	2,676	102,220
Income (loss) before income tax benefit									(133,729)	2,676	102,220
Income Tax Expense (Benefit)									(30,834)	6,301	99,278
Net income (loss)									(102,895)	(3,625)	2,942
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									$ (102,895)	$ (3,625)	$ 2,942