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Acquisitions (Summary Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Pro Forma Financial Information [Line Items]
Pro forma net revenue	$ 2,303,728	$ 2,197,659
Pro forma net income attributable to Vail Resorts, Inc.	$ 307,060	$ 389,086
Pro forma basic net income per share attributable to Vail Resorts, Inc.	$ 7.61	$ 9.63
Pro forma diluted net income per share attributable to Vail Resorts, Inc.	$ 7.46	$ 9.35
United States of America, Dollars | Whistler Blackcomb [Member]
Pro Forma Financial Information [Line Items]
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual			$ 65,600

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