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Supplementary Balance Sheet Information (Components Of Other Long-Term Liabilities) (Details) - USD ($) $ in Thousands | Jul. 31, 2021 | Jul. 31, 2020
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Balance Sheet Related Disclosures [Abstract] |  |
Total other long-term liabilities | $ 264,034 | $ 270,245

X
- Definition Carrying amount as of the balance sheet date of noncurrent obligations which are expected to be settled after one year (or the normal operating cycle, if longer). Includes deferred revenue, unfavorable lease obligations and other long-term accrued liabilities. + References No definition available. + Details
Name: | mtn_OtherLongTermLiabilitiesNoncurrent
Namespace Prefix: | mtn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration