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Commitments and Contingencies (Narrative) (Details) (USD $) | 9 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2015 | Jul. 31, 2014 | Apr. 30, 2014
Holland Creek Metropolitan District [Member] |  |  |
Credit-enhanced bonds issued amount | $ 8,000,000 mtn_DebtInstrumentThirdPartyCreditEnhancements / dei_LegalEntityAxis = mtn_HollandCreekMetropolitanDistrictMember |  |
Amount outstanding in letters of credit | 8,100,000 us-gaap_LettersOfCreditOutstandingAmount / dei_LegalEntityAxis = mtn_HollandCreekMetropolitanDistrictMember |  |
Red Sky Ranch Metropolitan District [Member] |  |  |
Other long-term liabilities | 1,800,000 us-gaap_OtherLongTermDebt / dei_LegalEntityAxis = mtn_RedSkyRanchMetropolitanDistrictMember | 1,800,000 us-gaap_OtherLongTermDebt / dei_LegalEntityAxis = mtn_RedSkyRanchMetropolitanDistrictMember | 1,800,000 us-gaap_OtherLongTermDebt / dei_LegalEntityAxis = mtn_RedSkyRanchMetropolitanDistrictMember
Estimated cessation date of capital improvement fee payment obligation | Jul. 31, 2029 |  |
Various Other [Member] |  |  |
Amount outstanding in letters of credit | 64,300,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_LossContingenciesByNatureOfContingencyAxis = mtn_VariousOtherMember |  |
Employee Housing Bonds [Member] |  |  |
Amount outstanding in letters of credit | 53,400,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_LossContingenciesByNatureOfContingencyAxis = mtn_EmployeeHousingBondsMember |  |
Workers' Compensation and General Liability Related to Construction and Development Activities [Member] |  |  |
Amount outstanding in letters of credit | $ 10,900,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_LossContingenciesByNatureOfContingencyAxis = mtn_WorkersCompensationAndGeneralLiabilityRelatedToConstructionAndDevelopmentActivitiesMember |  |

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- Definition Estimated Cessation Date Of Capital Improvement Fee Payments + References No definition available. + Details
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- Definition Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Details
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- Details
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