Supplementary Balance Sheet Information (Components Of Other Long-Term Liabilities) (Details) - USD ($) $ in Thousands	Jul. 31, 2017	Jul. 31, 2016
Balance Sheet Related Disclosures [Abstract]
Private club deferred initiation fee revenue	$ 118,417	$ 121,750
Unfavorable lease obligations, net	24,664	27,322
Other long-term liabilities	158,655	121,096
Total other long-term liabilities	$ 301,736	$ 270,168

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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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

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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

- References

No definition available.

+ Details

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

- Definition

Amount of liabilities classified as other, due 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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Balance Type:	credit
Period Type:	instant