Supplemental Guarantor Information (Level 4 BS) (Details 1) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015	Apr. 30, 2015	Oct. 31, 2014
ASSETS
Cash and cash equivalents	$ 423,178	$ 918,993	$ 532,157	$ 586,315
Marketable securities		10,001
Restricted cash and investments	$ 28,897	16,795
Inventory	7,285,351	6,997,516
Property, construction and office equipment, net	136,748	136,755
Receivables, prepaid expenses and other assets	271,137	284,130
Mortgage loans held for sale	124,677	123,175
Customer deposits held in escrow	67,638	56,105
Investments in and advances to unconsolidated entities	424,268	412,860
Investments in foreclosed real estate and distressed loans	14,576	51,730
Investments in and advances to consolidated entities	0	0
Deferred tax assets, net of valuation allowances	187,755	198,455
Total assets	8,964,225	9,206,515
Liabilities:
Loans payable	711,293	1,000,439
Senior notes	2,692,061	2,689,801
Mortgage company loan facility	100,000	100,000
Customer deposits	328,258	284,309
Accounts payable	281,074	236,953
Accrued expenses	605,198	608,066
Advances from Affiliiate	0	0
Income taxes payable	81,393	58,868
Total liabilities	4,799,277	4,978,436
Equity:
Common stock	1,779	1,779
Additional paid-in capital	718,013	728,125
Retained earnings	3,757,436	3,595,202
Treasury stock, at cost	(315,479)	(100,040)
Accumulated other comprehensive loss	(2,610)	(2,509)
Total stockholders' equity	4,159,139	4,222,557
Noncontrolling interest	5,809	5,522
Total equity	4,164,948	4,228,079
Total liabilities and stockholders' equity	8,964,225	9,206,515
Toll Brothers Inc. [Member]
ASSETS
Cash and cash equivalents	0	$ 0	0	0
Marketable securities
Restricted cash and investments	$ 15,228	$ 15,227
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses and other assets	$ 98	$ 52
Mortgage loans held for sale
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ 4,037,451	$ 4,067,722
Deferred tax assets, net of valuation allowances	187,755	198,455
Total assets	$ 4,240,532	$ 4,281,456
Liabilities:
Loans payable
Senior notes
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses
Advances from Affiliiate
Income taxes payable	$ 81,393	$ 58,868
Total liabilities	81,393	58,868
Equity:
Common stock	1,779	1,779
Additional paid-in capital	718,013	728,125
Retained earnings	3,757,436	3,595,202
Treasury stock, at cost	(315,479)	(100,040)
Accumulated other comprehensive loss	(2,610)	(2,478)
Total stockholders' equity	$ 4,159,139	$ 4,222,588
Noncontrolling interest
Total equity	$ 4,159,139	$ 4,222,588
Total liabilities and stockholders' equity	4,240,532	4,281,456
Subsidiary Issuer [Member]
ASSETS
Cash and cash equivalents	$ 0	$ 0	0	0
Marketable securities
Restricted cash and investments
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses and other assets
Mortgage loans held for sale
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ 2,738,380	$ 2,726,428
Deferred tax assets, net of valuation allowances
Total assets	$ 2,738,380	$ 2,726,428
Liabilities:
Loans payable
Senior notes	$ 2,676,778	$ 2,669,860
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	$ 33,595	$ 25,699
Advances from Affiliiate
Income taxes payable
Total liabilities	$ 2,710,373	$ 2,695,559
Equity:
Common stock
Additional paid-in capital	$ 49,400	$ 49,400
Retained earnings	$ (21,393)	$ (18,531)
Treasury stock, at cost
Accumulated other comprehensive loss
Total stockholders' equity	$ 28,007	$ 30,869
Noncontrolling interest
Total equity	$ 28,007	$ 30,869
Total liabilities and stockholders' equity	2,738,380	2,726,428
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	$ 291,821	$ 783,599	389,236	455,714
Marketable securities
Restricted cash and investments		$ 499
Inventory	$ 6,860,713	6,530,698
Property, construction and office equipment, net	120,597	121,178
Receivables, prepaid expenses and other assets	$ 182,880	$ 149,268
Mortgage loans held for sale
Customer deposits held in escrow	$ 63,432	$ 51,767
Investments in and advances to unconsolidated entities	$ 102,640	$ 115,999
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ 4,740	$ 4,740
Deferred tax assets, net of valuation allowances
Total assets	$ 7,626,823	$ 7,757,748
Liabilities:
Loans payable	$ 711,293	$ 1,000,439
Senior notes
Mortgage company loan facility
Customer deposits	$ 318,293	$ 271,124
Accounts payable	279,987	236,436
Accrued expenses	371,576	361,089
Advances from Affiliiate	$ 1,833,805	$ 1,932,075
Income taxes payable
Total liabilities	$ 3,514,954	$ 3,801,163
Equity:
Common stock	$ 48	$ 48
Additional paid-in capital
Retained earnings	$ 4,111,821	$ 3,956,568
Treasury stock, at cost
Accumulated other comprehensive loss		$ (31)
Total stockholders' equity	$ 4,111,869	$ 3,956,585
Noncontrolling interest
Total equity	$ 4,111,869	$ 3,956,585
Total liabilities and stockholders' equity	7,626,823	7,757,748
Nonguarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	131,357	135,394	142,921	130,601
Marketable securities		10,001
Restricted cash and investments	13,669	1,069
Inventory	424,638	466,818
Property, construction and office equipment, net	16,151	15,577
Receivables, prepaid expenses and other assets	142,522	178,680
Mortgage loans held for sale	124,677	123,175
Customer deposits held in escrow	4,206	4,338
Investments in and advances to unconsolidated entities	321,628	296,861
Investments in foreclosed real estate and distressed loans	$ 14,576	$ 51,730
Investments in and advances to consolidated entities
Deferred tax assets, net of valuation allowances
Total assets	$ 1,193,424	$ 1,283,643
Liabilities:
Loans payable
Senior notes
Mortgage company loan facility	$ 100,000	$ 100,000
Customer deposits	9,965	13,185
Accounts payable	1,087	517
Accrued expenses	255,928	266,411
Advances from Affiliiate	$ 713,316	$ 850,374
Income taxes payable
Total liabilities	$ 1,080,296	$ 1,230,487
Equity:
Common stock	3,006	3,006
Additional paid-in capital	1,734	1,734
Retained earnings	$ 102,579	$ 42,894
Treasury stock, at cost
Accumulated other comprehensive loss
Total stockholders' equity	$ 107,319	$ 47,634
Noncontrolling interest	5,809	5,522
Total equity	113,128	53,156
Total liabilities and stockholders' equity	1,193,424	1,283,643
Eliminations [Member]
ASSETS
Cash and cash equivalents	$ 0	$ 0	$ 0	$ 0
Marketable securities
Restricted cash and investments
Inventory
Property, construction and office equipment, net
Receivables, prepaid expenses and other assets	$ (54,363)	$ (43,870)
Mortgage loans held for sale
Customer deposits held in escrow
Investments in and advances to unconsolidated entities
Investments in foreclosed real estate and distressed loans
Investments in and advances to consolidated entities	$ (6,780,571)	$ (6,798,890)
Deferred tax assets, net of valuation allowances
Total assets	$ (6,834,934)	$ (6,842,760)
Liabilities:
Loans payable
Senior notes	$ 15,283	$ 19,941
Mortgage company loan facility
Customer deposits
Accounts payable
Accrued expenses	$ (55,901)	$ (45,133)
Advances from Affiliiate	$ (2,547,121)	$ (2,782,449)
Income taxes payable
Total liabilities	$ (2,587,739)	$ (2,807,641)
Equity:
Common stock	(3,054)	(3,054)
Additional paid-in capital	(51,134)	(51,134)
Retained earnings	$ (4,193,007)	$ (3,980,931)
Treasury stock, at cost
Accumulated other comprehensive loss
Total stockholders' equity	$ (4,247,195)	$ (4,035,119)
Noncontrolling interest
Total equity	$ (4,247,195)	$ (4,035,119)
Total liabilities and stockholders' equity	$ (6,834,934)	$ (6,842,760)