Document And Entity Information - USD ($)	12 Months Ended
	Jul. 31, 2020	Sep. 21, 2020	Jan. 31, 2020
Document And Entity Information [Abstract]
Title of 12(b) Security	Common Stock, $0.01 par value
City Area Code	(303)
Entity Address, State or Province	DE
Document Transition Report	false
Document Annual Report	true
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jul. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
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 Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Common Stock, Shares Outstanding		40,189,225
Entity Public Float			$ 9,336,675,376
Entity File Number	001-09614
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
Local Phone Number	404-1800
Trading Symbol	MTN
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes
ICFR Auditor Attestation Flag	true