Supplemental Guarantor Information (Level 4 IS) (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Supplemental Condensed Consolidating Statement of Operations
Revenues	$ 1,028,011	$ 1,056,857	$ 2,734,046	$ 2,560,912
Cost of revenues	824,394	817,232	2,152,938	2,019,262
Selling, general and administrative	116,175	109,981	330,174	312,171
Total	940,569	927,213	2,483,112	2,331,433
Income (loss) from operations	87,442	129,644	250,934	229,479
Other [Abstract]
Income (loss) from unconsolidated entities	5,952	950	17,080	38,192
Other income - net	14,070	20,731	50,005	48,373
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	107,464	151,325	318,019	316,044
Income tax provision (benefit)	40,715	53,618	102,015	107,536
Net income (loss)	66,749	97,707	216,004	208,508
Other Comprehensive Income (Loss), Net of Tax	151	(20)	(62)	337
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ 66,900	$ 97,687	$ 215,942	$ 208,845
Toll Brothers Inc. [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	$ 29	$ 29	$ 66	$ 98
Total	29	29	66	98
Income (loss) from operations	$ (29)	$ (29)	$ (66)	$ (98)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	$ 2,379	$ 2,373	$ 7,049	$ 7,033
Intercompany interest income
Interest Expense
Income from subsidiaries	$ 105,114	$ 148,981	$ 311,036	$ 309,109
Income (loss) before income taxes	107,464	151,325	318,019	316,044
Income tax provision (benefit)	40,715	53,618	102,015	107,536
Net income (loss)	66,749	97,707	216,004	208,508
Other Comprehensive Income (Loss), Net of Tax	139	(3)	(62)	153
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ 66,888	$ 97,704	$ 215,942	$ 208,661
Subsidiary Issuer [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	$ 867	$ 897	$ 2,689	$ 2,762
Total	867	897	2,689	2,762
Income (loss) from operations	$ (867)	$ (897)	$ (2,689)	$ (2,762)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net
Intercompany interest income	$ 32,741	$ 35,877	$ 105,134	$ 111,984
Interest Expense	$ (34,241)	$ (37,347)	$ (109,469)	$ (116,246)
Income from subsidiaries
Income (loss) before income taxes	$ (2,367)	$ (2,367)	$ (7,024)	$ (7,024)
Income tax provision (benefit)	(895)	(880)	(2,657)	(2,631)
Net income (loss)	$ (1,472)	$ (1,487)	$ (4,367)	$ (4,393)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ (1,472)	$ (1,487)	$ (4,367)	$ (4,393)
Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	1,040,738	1,067,863	2,764,788	2,587,940
Cost of revenues	826,205	822,804	2,158,932	2,029,097
Selling, general and administrative	123,667	116,944	349,861	330,591
Total	949,872	939,748	2,508,793	2,359,688
Income (loss) from operations	90,866	128,115	255,995	228,252
Other [Abstract]
Income (loss) from unconsolidated entities	3,898	693	11,332	38,271
Other income - net	$ 8,664	$ 13,817	$ 26,697	$ 31,632
Intercompany interest income
Interest Expense
Income from subsidiaries	$ 1,686	$ 6,356	$ 17,012	$ 10,954
Income (loss) before income taxes	105,114	148,981	311,036	309,109
Income tax provision (benefit)	39,765	55,568	117,665	115,792
Net income (loss)	65,349	93,413	$ 193,371	193,317
Other Comprehensive Income (Loss), Net of Tax	12	(19)		170
Comprehensive Income (loss), Net of Tax, Attributable to Parent	65,361	93,394	$ 193,371	193,487
Nonguarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	20,811	19,808	53,963	53,075
Cost of revenues	3,838	2,750	6,933	6,809
Selling, general and administrative	16,737	14,462	43,827	40,898
Total	20,575	17,212	50,760	47,707
Income (loss) from operations	236	2,596	3,203	5,368
Other [Abstract]
Income (loss) from unconsolidated entities	2,054	257	5,748	(79)
Other income - net	$ 2,084	$ 6,219	$ 15,672	$ 13,427
Intercompany interest income
Interest Expense	$ (321)	$ (349)	$ (587)	$ (738)
Income from subsidiaries
Income (loss) before income taxes	$ 4,053	$ 8,723	$ 24,036	$ 17,978
Income tax provision (benefit)	1,533	3,253	9,092	6,734
Net income (loss)	$ 2,520	5,470	$ 14,944	11,244
Other Comprehensive Income (Loss), Net of Tax		2		14
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ 2,520	5,472	$ 14,944	11,258
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	(33,538)	(30,814)	(84,705)	(80,103)
Cost of revenues	(5,649)	(8,322)	(12,927)	(16,644)
Selling, general and administrative	(25,125)	(22,351)	(66,269)	(62,178)
Total	(30,774)	(30,673)	(79,196)	(78,822)
Income (loss) from operations	$ (2,764)	$ (141)	$ (5,509)	$ (1,281)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	$ 943	$ (1,678)	$ 587	$ (3,719)
Intercompany interest income	(32,741)	(35,877)	(105,134)	(111,984)
Interest Expense	34,562	37,696	110,056	116,984
Income from subsidiaries	(106,800)	(155,337)	(328,048)	(320,063)
Income (loss) before income taxes	(106,800)	(155,337)	(328,048)	(320,063)
Income tax provision (benefit)	(40,403)	(57,941)	(124,100)	(119,895)
Net income (loss)	$ (66,397)	$ (97,396)	$ (203,948)	$ (200,168)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ (66,397)	$ (97,396)	$ (203,948)	$ (200,168)