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, 2021	Oct. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	500	600
Net loss attributable to Vail Resorts, Inc.	$ (139,332)	$ (153,766)
Weighted-average Vail Shares outstanding	40,414	40,213
Weighted-average Exchangeco Shares outstanding	34	35
Total Weighted-average shares outstanding	40,448	40,248
Effect of dilutive securities	0	0
Total shares	40,448	40,248
Basic net loss per share attributable to Vail Resorts, Inc.	$ (3.44)	$ (3.82)
Diluted net loss per share attributable to Vail Resorts, Inc.	$ (3.44)	$ (3.82)