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v3.20.1

Fair Value Disclosures (Level 4 Inv Impair inputs) (Details 2) - Operating communities [Member] $ in Thousands | 3 Months Ended
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Apr. 30, 2020 USD ($) Homes_sold | Jan. 31, 2020 USD ($) Homes_sold | Oct. 31, 2019 USD ($) | Jul. 31, 2019 USD ($) | Apr. 30, 2019 USD ($) | Jan. 31, 2019 USD ($)
Minimum [Member] |  |  |  |  |  |
Fair value inputs, assets, quantitative information [Line Items] |  |  |  |  |  |
Average selling price | $ 613 |  | $ 478 | $ 530 | $ 372 | $ 836
Sales Pace (in ones) | 9 |  | 2 | 2 | 2 | 2
Fair Value Inputs, Discount Rate | 14.30% |  | 13.80% | 7.80% | 12.00% | 12.50%
Maximum [Member] |  |  |  |  |  |
Fair value inputs, assets, quantitative information [Line Items] |  |  |  |  |  |
Average selling price | $ 789 |  | $ 857 | $ 1,113 | $ 1,915 | $ 13,495
Sales Pace (in ones) | 9 |  | 5 | 9 | 19 | 12
Fair Value Inputs, Discount Rate | 14.30% |  | 14.50% | 13.00% | 26.00% | 15.80%

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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. + References No definition available. + Details
Name: | tol_FairValueInputDiscountRate
Namespace Prefix: | tol_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The asumed number of homes to be sold per year. + References No definition available. + Details
Name: | tol_SalesPace
Namespace Prefix: | tol_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Selling price of homes sold during period (home closing revenues divided by number of home closings) + References No definition available. + Details
Name: | tol_SellingPrice
Namespace Prefix: | tol_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueOptionQuantitativeDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |