Acquisitions (Summary Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Pro Forma Financial Information [Line Items]
Pro forma net revenue	$ 1,043,509	$ 1,893,154	$ 2,237,141
Pro forma net income attributable to Vail Resorts, Inc.	$ 306,814	$ 253,170	$ 408,986
Pro forma basic net income per share attributable to Vail Resorts, Inc.	$ 7.62	$ 6.28	$ 10.13
Pro forma diluted net income per share attributable to Vail Resorts, Inc.	$ 7.48	$ 6.19	$ 9.93

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

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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/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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