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Supplementary Balance Sheet Information (Composition Of Other Long-Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012	Jul. 31, 2011	Jan. 31, 2011
Supplementary Balance Sheet Information [Abstract]
Private club deferred initiation fee revenue and deposits	$ 145,701	$ 146,065	$ 147,196
Unfavorable lease obligation, net	37,393	38,729	40,073
Other long-term liabilities	52,535	50,635	51,507
Total other long-term liabilities	$ 235,629	$ 235,429	$ 238,776

X

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

X

- 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

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- Details

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Balance Type:	na
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X

- 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 24

-Article 5



Reference 2: 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

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- Definition

Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 24

-Article 5

+ Details

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