Acquisitions (Summary Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Pro Forma Financial Information [Line Items]
Pro forma net revenue	$ 935,410	$ 1,199,067	$ 1,195,296
Pro forma net income attributable to Vail Resorts, Inc.	$ 220,499	$ 95,850	$ 99,569
Pro forma basic net income per share attributable to Vail Resorts, Inc.	$ 5.57	$ 2.38	$ 2.46
Pro forma diluted net income per share attributable to Vail Resorts, Inc.	$ 5.36	$ 2.34	$ 2.41

[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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-Publisher FASB
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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
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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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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-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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