Net Income Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 31, 2020	Apr. 30, 2020	Jan. 31, 2020	Oct. 31, 2019	Jul. 31, 2019	Apr. 30, 2019	Jan. 31, 2019	Oct. 31, 2018	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Net income	$ (153,608)	$ 152,546	$ 206,370	$ (106,475)	$ (89,525)	$ 292,134	$ 206,349	$ (107,795)	$ 98,833	$ 301,163	$ 379,898
Weighted Average Number of Shares Outstanding, Common									40,227,000	40,292,000	40,337,000
Weighted Average Number of Shares Outstanding, Exchangeable									46,000	57,000	60,000
Weighted-average shares outstanding, basic (in shares)									40,273,000	40,349,000	40,397,000
Effect of dilutive securities, diluted (in shares)									565,000	809,000	1,221,000
Weighted-average shares outstanding, diluted (in shares)									40,838,000	41,158,000	41,618,000
Basic net income per share attributable to Vail Resorts, Inc.	$ (3.82)	$ 3.79	$ 5.12	$ (2.64)	$ (2.22)	$ 7.26	$ 5.12	$ (2.66)	$ 2.45	$ 7.46	$ 9.40
Diluted net income per share attributable to Vail Resorts, Inc.	(3.82)	$ 3.74	$ 5.04	$ (2.64)	(2.22)	$ 7.12	$ 5.02	$ (2.66)	$ 2.42	$ 7.32	$ 9.13
Anti-dilutive securities (in shares)									2,000	4,000	2,000
Common Stock, Dividends, Per Share, Cash Paid									$ 5.28
Cash dividends declared per share (in dollars per share)									$ 5.28	$ 6.46	$ 5.046
Dividends (Note 3)									$ 212,732	$ 260,567	$ 204,161
Exchangeable Shares Par Value Per Share	$ 0.01				$ 0.01				$ 0.01	$ 0.01
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