Document And Entity Information - shares
3 Months Ended
Oct. 31, 2019
Dec. 05, 2019
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Oct. 31, 2019  
Document Transition Report false  
Entity File Number 001-09614  
Entity Registrant Name Vail Resorts, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 51-0291762  
Entity Address, Address Line One 390 Interlocken Crescent  
Entity Address, City or Town Broomfield,  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80021  
City Area Code (303)  
Local Phone Number 404-1800  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol MTN  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   40,257,530
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0000812011  
Current Fiscal Year End Date --07-31  
Entity Filer Category Large Accelerated Filer