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Acquisitions (Summary Pro Forma Financial Information) (Details) (USD $) In Thousands, except Per Share data	12 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Acquisitions
Pro forma net revenue	$ 1,171,459	$ 959,453
Pro forma net income attributable to Vail Resorts, Inc.	$ 33,231	$ 34,485
Pro forma basic net income per share attributable to Vail Resorts, Inc.	$ 0.92	$ 0.95
Pro forma diluted net income per share attributable to Vail Resorts, Inc.	$ 0.90	$ 0.94

X

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

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-Publisher FASB
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-Number 141
-Paragraph 54
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Number 141
-Paragraph 55
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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