v3.10.0.1
Document And Entity Information - shares
3 Months Ended
Oct. 31, 2018
Dec. 03, 2018
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Oct. 31, 2018  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Trading Symbol MTN  
Entity Registrant Name VAIL RESORTS INC  
Entity Central Index Key 0000812011  
Current Fiscal Year End Date --07-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   40,349,123
Entity Current Reporting Status Yes  
Entity Emerging Growth Company false  
Entity Small Business false