Net Income Per Common Share (Summary of Calculation of Basic and Diluted EPS) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
Net income attributable to Vail Resorts, Inc.	$ 149,179	$ 116,982	$ 86,592	$ 57,395
Weighted-average Vail Resorts shares outstanding	39,888	36,246	38,327	36,359
Weighted-average Exchangeco shares outstanding	162	0	115	0
Total Weighted-average shares outstanding	40,050	36,246	38,442	36,359
Effect of dilutive securities	1,057	1,010	1,087	999
Weighted Average Number of Shares Outstanding, Diluted	41,107	37,256	39,529	37,358
Basic net income per share attributable to Vail Resorts, Inc.	$ 3.72	$ 3.23	$ 2.25	$ 1.58
Diluted net income per share attributable to Vail Resorts, Inc.	$ 3.63	$ 3.14	$ 2.19	$ 1.54