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
	Oct. 31, 2016	Oct. 31, 2015
Net loss attributable to Vail Resorts, Inc.	$ (62,587)	$ (59,587)
Weighted Average Number of Shares Outstanding, Common	36,766	36,471
Weighted Average Number of Shares Outstanding, Exchangeable	68	0
Weighted-average shares outstanding, basic (in shares)	36,834	36,471
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0
Weighted Average Number of Shares Outstanding, Diluted	36,834	36,471
Basic net loss per share attributable to Vail Resorts, Inc.	$ (1.70)	$ (1.63)
Diluted net loss per share attributable to Vail Resorts, Inc.	$ (1.70)	$ (1.63)