Acquisitions (Summary Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Oct. 31, 2016	Oct. 31, 2015
Pro Forma Financial Information [Line Items]
Pro forma net revenue	$ 200,929	$ 195,449
Business Acquisition, Pro Forma Net Loss	$ (67,678)	$ (71,000)
Pro forma basic net income per share attributable to Vail Resorts, Inc.	$ (1.69)	$ (1.77)
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ (1.69)	$ (1.77)

[Line Items] for Pro Forma Financial Information [Table]

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- 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

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=56956515&loc=d3e1392-128463

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The pro forma diluted 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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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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