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Supplementary Balance Sheet Information (Changes In Goodwill Amount) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014
Goodwill, beginning balance	$ 378,148us-gaap_Goodwill	$ 379,161us-gaap_Goodwill
Acquisition	(91,861)us-gaap_GoodwillAcquiredDuringPeriod
Effects of changes in foreign currency exchange rates	(331)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
Goodwill, ending balance	469,678us-gaap_Goodwill	379,161us-gaap_Goodwill
Mountain [Member]
Goodwill, beginning balance	310,249us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtn_MountainMember
Effects of changes in foreign currency exchange rates	(331)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mtn_MountainMember
Goodwill, ending balance	401,779us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtn_MountainMember
Lodging [Member]
Goodwill, beginning balance	67,899us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtn_LodgingMember
Acquisition	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = mtn_LodgingMember
Effects of changes in foreign currency exchange rates	0us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mtn_LodgingMember
Goodwill, ending balance	67,899us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mtn_LodgingMember
PCMR [Member] | Mountain [Member]
Acquisition	$ (91,861)us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = mtn_PCMRMember / us-gaap_StatementBusinessSegmentsAxis = mtn_MountainMember

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

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Period Type:	instant

X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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X

- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

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X

- Details

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X

- Details

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