Supplemental Guarantor Information (Level 4 IS) (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Supplemental Condensed Consolidating Statement of Operations
Revenues	$ 1,269,934	$ 1,028,011	$ 3,314,057	$ 2,734,046
Cost of revenues	991,416	824,394	2,574,298	2,152,938
Selling, general and administrative	134,984	116,175	385,120	330,174
Total	1,126,400	940,569	2,959,418	2,483,112
Income (loss) from operations	143,534	87,442	354,639	250,934
Other [Abstract]
Income (loss) from unconsolidated entities	4,998	5,952	22,754	17,080
Other income - net	15,121	14,070	43,474	50,005
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	163,653	107,464	420,867	318,019
Income tax provision (benefit)	58,170	40,715	153,150	102,015
Net income (loss)	105,483	66,749	267,717	216,004
Other Comprehensive Income (Loss), Net of Tax	155	151	54	(62)
Comprehensive Income (loss), Net of Tax, Attributable to Parent	105,638	66,900	267,771	215,942
Toll Brothers Inc. [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	27	29	49	66
Total	27	29	49	66
Income (loss) from operations	(27)	(29)	(49)	(66)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	2,395	2,379	7,106	7,049
Intercompany interest income
Interest Expense
Income from subsidiaries	161,285	105,114	413,810	311,036
Income (loss) before income taxes	163,653	107,464	420,867	318,019
Income tax provision (benefit)	58,170	40,715	153,150	102,015
Net income (loss)	105,483	66,749	267,717	216,004
Other Comprehensive Income (Loss), Net of Tax	155	139	23	(62)
Comprehensive Income (loss), Net of Tax, Attributable to Parent	105,638	66,888	267,740	215,942
Subsidiary Issuer [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues
Cost of revenues
Selling, general and administrative	937	867	2,857	2,689
Total	937	867	2,857	2,689
Income (loss) from operations	(937)	(867)	(2,857)	(2,689)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net
Intercompany interest income	36,370	32,741	109,347	105,134
Interest Expense	(37,800)	(34,241)	(113,514)	(109,469)
Income from subsidiaries
Income (loss) before income taxes	(2,367)	(2,367)	(7,024)	(7,024)
Income tax provision (benefit)	(911)	(895)	(2,705)	(2,657)
Net income (loss)	(1,456)	(1,472)	(4,319)	(4,367)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	(1,456)	(1,472)	(4,319)	(4,367)
Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	1,248,474	1,040,738	3,123,436	2,764,788
Cost of revenues	973,493	826,205	2,451,554	2,158,932
Selling, general and administrative	141,519	123,667	402,049	349,861
Total	1,115,012	949,872	2,853,603	2,508,793
Income (loss) from operations	133,462	90,866	269,833	255,995
Other [Abstract]
Income (loss) from unconsolidated entities	5,835	3,898	16,168	11,332
Other income - net	8,109	8,664	21,504	26,697
Intercompany interest income
Interest Expense
Income from subsidiaries	13,880	1,686	106,305	17,012
Income (loss) before income taxes	161,286	105,114	413,810	311,036
Income tax provision (benefit)	62,086	39,765	159,358	117,665
Net income (loss)	99,200	65,349	254,452	193,371
Other Comprehensive Income (Loss), Net of Tax		12	31
Comprehensive Income (loss), Net of Tax, Attributable to Parent	99,200	65,361	254,483	193,371
Nonguarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	56,457	20,811	282,207	53,963
Cost of revenues	24,085	3,838	134,952	6,933
Selling, general and administrative	18,198	16,737	53,399	43,827
Total	42,283	20,575	188,351	50,760
Income (loss) from operations	14,174	236	93,856	3,203
Other [Abstract]
Income (loss) from unconsolidated entities	(837)	2,054	6,586	5,748
Other income - net	3,625	2,084	14,164	15,672
Intercompany interest income
Interest Expense	(714)	(321)	(1,277)	(587)
Income from subsidiaries
Income (loss) before income taxes	16,248	4,053	113,329	24,036
Income tax provision (benefit)	6,249	1,533	43,645	9,092
Net income (loss)	9,999	2,520	69,684	14,944
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	9,999	2,520	69,684	14,944
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Operations
Revenues	(34,997)	(33,538)	(91,586)	(84,705)
Cost of revenues	(6,162)	(5,649)	(12,208)	(12,927)
Selling, general and administrative	(25,697)	(25,125)	(73,234)	(66,269)
Total	(31,859)	(30,774)	(85,442)	(79,196)
Income (loss) from operations	(3,138)	(2,764)	(6,144)	(5,509)
Other [Abstract]
Income (loss) from unconsolidated entities
Other income - net	992	943	700	587
Intercompany interest income	(36,370)	(32,741)	(109,347)	(105,134)
Interest Expense	38,514	34,562	114,791	110,056
Income from subsidiaries	(175,165)	(106,800)	(520,115)	(328,048)
Income (loss) before income taxes	(175,167)	(106,800)	(520,115)	(328,048)
Income tax provision (benefit)	(67,424)	(40,403)	(200,298)	(124,100)
Net income (loss)	(107,743)	(66,397)	(319,817)	(203,948)
Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (loss), Net of Tax, Attributable to Parent	$ (107,743)	$ (66,397)	$ (319,817)	$ (203,948)