Acquisitions (Summary Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jan. 31, 2018	Jan. 31, 2019	Jan. 31, 2018
Pro Forma Financial Information [Line Items]
Pro forma net revenue	$ 788,466	$ 1,077,107	$ 1,023,704
Pro forma net income attributable to Vail Resorts, Inc.	$ 242,039	$ 99,576	$ 206,318
Pro forma basic net income per share attributable to Vail Resorts, Inc.	$ 5.98	$ 2.46	$ 5.11
Pro forma diluted net income per share attributable to Vail Resorts, Inc.	$ 5.82	$ 2.41	$ 4.95

[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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-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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