Supplementary Balance Sheet Information (Components Of Other Long-Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2015	Jul. 31, 2014	Apr. 30, 2014
Balance Sheet Related Disclosures [Abstract]
Private club deferred initiation fee revenue	$ 128,295	$ 128,824	$ 130,543
Unfavorable lease obligation, net	29,325mtn_UnfavorableLeaseObligationNet	31,338mtn_UnfavorableLeaseObligationNet	32,034mtn_UnfavorableLeaseObligationNet
Other long-term liabilities	78,312us-gaap_OtherLiabilitiesNoncurrent	100,519us-gaap_OtherLiabilitiesNoncurrent	77,357us-gaap_OtherLiabilitiesNoncurrent
Total other long-term liabilities	$ 235,932mtn_OtherLongTermLiabilitiesNoncurrent	$ 260,681mtn_OtherLongTermLiabilitiesNoncurrent	$ 239,934mtn_OtherLongTermLiabilitiesNoncurrent

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.

No definition available.

+ Details

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Namespace Prefix:	mtn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of prepayments by customers for private club initiation fees and deposits for services to be provided at a later date.

+ References

No definition available.

+ Details

Name:	mtn_PrivateClubDeferredInitiationFeesAndDeposits
Namespace Prefix:	mtn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of unfavorable lease obligations.

+ References

No definition available.

+ Details

Name:	mtn_UnfavorableLeaseObligationNet
Namespace Prefix:	mtn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or 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 210.5-02.24)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant