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Stock Compensation Plan (Schedule Of Share Based Compensation Restricted Stock Units Activity) (Details) (Restricted Stock Units (RSUs) [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 31, 2014
Restricted Stock Units (RSUs) [Member]
Awards, outstanding beginning balance (in shares)	315
Awards, granted (in shares)	152
Awards, vested (in shares)	(166)
Awards, forfeited (in shares)	(27)
Awards, outstanding ending balance (in shares)	274
Weighted-average grant-date fair value, outstanding beginning balance (in dollars per share)	$ 45.21
Weighted-average grant-date fair value, granted (in dollars per share)	$ 67.48
Weighted-average grant-date fair value, vested (in dollars per share)	$ 41.91
Weighted-average grant-date fair value, forfeited (in dollars per share)	$ 54.19
Weighted-average grant-date fair value, outstanding ending balance (in dollars per share)	$ 58.68

X

- Definition

The number of restricted stock units vested during the period.

+ References

No definition available.

+ Details

Name:	mtn_NumberOfRestrictedStockUnitsVestedDuringPeriod
Namespace Prefix:	mtn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of restricted share units, that were forfeited during the reporting period.

+ References

No definition available.

+ Details

Name:	mtn_ShareBasedCompensationArrangementRestrictedStockUnitsForfeitedInPeriod
Namespace Prefix:	mtn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average fair value as of the grant date of restricted share units that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan.

+ References

No definition available.

+ Details

Name:	mtn_ShareBasedCompensationArrangementRestrictedStockUnitsForfeitedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	mtn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Net number of restricted share units granted during the period.

+ References

No definition available.

+ Details

Name:	mtn_ShareBasedCompensationArrangementRestrictedStockUnitsGrantedInPeriod
Namespace Prefix:	mtn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of non-vested restricted share units, that validly exist and are outstanding as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	mtn_ShareBasedCompensationArrangementRestrictedStockUnitsNonvestedNumber
Namespace Prefix:	mtn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average fair value of nonvested restricted share units for which the employer is contingently obligated to issue equity instruments to an employee who has not yet satisfied service criteria necessary to gain title to underlying shares or units.

+ References

No definition available.

+ Details

Name:	mtn_ShareBasedCompensationArrangementRestrictedStockUnitsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix:	mtn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average fair value as of grant date pertaining to restricted share units for which the grantee gained the right during the reporting period, by satisfying service requirements, to receive shares or units in accordance with the terms of the arrangement.

+ References

No definition available.

+ Details

Name:	mtn_ShareBasedCompensationArrangementRestrictedStockUnitsVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	mtn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average fair value at grant date for nonvested restricted share units issued during the period.

+ References

No definition available.

+ Details

Name:	mtn_ShareBasedCompensationArrangementRestriictedStockUnitsGrantedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	mtn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration