| **Variable Interest Entities (Details) (USD $)** | Apr. 30, 2015entities                                                                                                                                                          |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Employee Housing Entities [Member]               |                                                                                                                                                                           |
| Number of Variable Interest Entities             | 4mtn_NumberOfVariableInterestEntities/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis= mtn_EmployeeHousingEntitiesMember                                         |
| Carrying amount of consolidated VIE assets       | $ 26,800,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis= mtn_EmployeeHousingEntitiesMember    |
| Carrying amount of consolidated VIE liabilities  | 63,800,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis= mtn_EmployeeHousingEntitiesMember |
| Amount outstanding in letters of credit          | 53,400,000us-gaap_LettersOfCreditOutstandingAmount/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis= mtn_EmployeeHousingEntitiesMember                            |
| Avon Partners II LLC [Member]                    |                                                                                                                                                                           |
| Carrying amount of consolidated VIE assets       | 4,300,000us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis= mtn_AvonPartnersIiLlcMember             |
| Carrying amount of consolidated VIE liabilities  | $ 0us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis= mtn_AvonPartnersIiLlcMember              |

| X                                                                                                                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of Variable Interest Entities
+ References
No definition available.
+ Details**Name:**mtn_NumberOfVariableInterestEntities**Namespace Prefix:**mtn_**Data Type:**xbrli:decimalItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.
+ References
No definition available.
+ Details**Name:**us-gaap_LettersOfCreditOutstandingAmount**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=52262685&loc=d3e5710-111685
+ Details**Name:**us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=52262685&loc=d3e5710-111685
+ Details**Name:**us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mtn_AvonPartnersIiLlcMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                                                      |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mtn_EmployeeHousingEntitiesMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |