Net Income Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended								12 Months Ended
	Oct. 22, 2021	Oct. 05, 2021	Sep. 22, 2021	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Oct. 31, 2020	Jul. 31, 2020	Apr. 30, 2020	Jan. 31, 2020	Oct. 31, 2019	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018	Dec. 18, 2020
Net income				$ (140,811)	$ 274,629	$ 147,798	$ (153,766)	$ (153,608)	$ 152,546	$ 206,370	$ (106,475)	$ 127,850	$ 98,833	$ 301,163
Weighted Average Number of Shares Outstanding, Common												40,266,000	40,227,000	40,292,000
Weighted Average Number of Shares Outstanding, Exchangeable												35,000	46,000	57,000
Weighted-average shares outstanding, basic (in shares)												40,301,000	40,273,000	40,349,000
Effect of dilutive securities, diluted (in shares)												527,000	565,000	809,000
Weighted-average shares outstanding, diluted (in shares)												40,828,000	40,838,000	41,158,000
Basic net income per share attributable to Vail Resorts, Inc.				$ (3.49)	$ 6.82	$ 3.67	$ (3.82)	$ (3.82)	$ 3.79	$ 5.12	$ (2.64)	$ 3.17	$ 2.45	$ 7.46
Diluted net income per share attributable to Vail Resorts, Inc.				(3.49)	$ 6.72	$ 3.62	$ (3.82)	(3.82)	$ 3.74	$ 5.04	$ (2.64)	$ 3.13	$ 2.42	$ 7.32
Anti-dilutive securities (in shares)												2,000	2,000	4,000
Common Stock, Dividends, Per Share, Cash Paid													$ 5.28	$ 6.46
Cash dividends declared per share (in dollars per share)												$ 0	$ 5.28	$ 6.46
Dividends (Note 3)												$ 0	$ 212,732	$ 260,567
Exchangeable Shares Par Value Per Share				0.01				$ 0.01				$ 0.01	$ 0.01
Debt Instrument, Face Amount																$ 575,000
Convertible Debt
Debt Instrument, Face Amount																$ 575,000
Debt Instrument, Interest Rate, Stated Percentage																0.00%
Debt Instrument, Convertible, Conversion Price				$ 407.17								$ 407.17
Forecast [Member]
Cash dividends declared per share (in dollars per share)			$ 0.88
Dividends Payable, Date to be Paid	Oct. 22, 2021
Dividends Payable, Date of Record		Oct. 05, 2021
Common Stock [Member]
Stock Issued During Period, Shares, New Issues															3,327,719
Exchangeable Shares [Member]
Stock Issued During Period, Shares, New Issues															418,095
Peak Resorts, Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets								$ 16,203					$ 16,203
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt								184,668					184,668
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities								99,275					99,275
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net								$ 334,731					$ 334,731