| **Commitments and Contingencies (Narrative) (Details) (USD $)In Millions, unless otherwise specified**  | 12 Months Ended       |
|---------------------------------------------------------------------------------------------------------|-----------------------|
||
| Contingent rent percentage                                                                              | 11.50%                |   |   |
| Lease expiration date                                                                                   | Jan. 19,         2027 |   |   |
| Number of optional renewal terms                                                                        | 3                     |   |   |
| Optional renewal term in years                                                                          | 10 years              |   |   |
| Lease expense, excluding executory costs                                                                | $ 34.0                | $ 30.7 | $ 22.1 |
| Holland Creek Metropolitan District [Member]                                                            |                  |   |   |
| Credit-enhanced bonds issued amount                                                                     | 8.0                   |   |   |
| Amount outstanding in letters of credit                                                                 | 8.1                   |   |   |
| Red Sky Ranch Metropolitan District [Member]                                                            |                  |   |   |
| Other long-term liabilities                                                                             | 1.8                   |   |   |
| Estimated cessation date of capital improvement fee payment obligation                                  | July 31, 2028    |   |   |
| Various Other [Member]                                                                                  |                  |   |   |
| Amount outstanding in letters of credit                                                                 | 59.5                  |   |   |
| Employee Housing Bonds [Member]                                                                         |                  |   |   |
| Amount outstanding in letters of credit                                                                 | 53.4                  |   |   |
| Workers' Compensation and General Liability Related to Construction and Development Activities [Member] |                  |   |   |
| Amount outstanding in letters of credit                                                                 | $ 4.3                 |   |   |
| Maximum [Member]                                                                                        |                  |   |   |
| Annual base rent rate                                                                                   | 11.00%                |   |   |
| Minimum [Member]                                                                                        |                  |   |   |
| Annual base rent rate                                                                                   | 10.25%                |   |   |

| X                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Annual Base Rent Rate
+ References
No definition available.
+ Details**Name:**mtn_AnnualBaseRentRate**Namespace Prefix:**mtn_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Contingent rent on operating lease over certain gross revenue thresholds.
+ References
No definition available.
+ Details**Name:**mtn_ContingentRent**Namespace Prefix:**mtn_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Debt Instrument, Third Party Credit Enhancements
+ References
No definition available.
+ Details**Name:**mtn_DebtInstrumentThirdPartyCreditEnhancements**Namespace Prefix:**mtn_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Estimated Cessation Date Of Capital Improvement Fee Payments
+ References
No definition available.
+ Details**Name:**mtn_EstimatedCessationDateOfCapitalImprovementFeePayments**Namespace Prefix:**mtn_**Data Type:**us-types:dateStringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of optional renewal terms
+ References
No definition available.
+ Details**Name:**mtn_NumberOfOptionalLeaseRenewalTerms**Namespace Prefix:**mtn_**Data Type:**xbrli:integerItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                           |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of optional renewal terms.
+ References
No definition available.
+ Details**Name:**mtn_OptionalLeaseRenewalTerm**Namespace Prefix:**mtn_**Data Type:**xbrli:durationItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.
+ References
No definition available.
+ Details**Name:**us-gaap_LeaseAndRentalExpense**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Date which lease or group of leases is set to expire, in CCYY-MM-DD format.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - 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=d3e13212-122682Reference 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
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