Net Loss Per Common Share (Summary of Calculation of Basic and Diluted EPS) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Net income (loss) attributable to Vail Resorts, Inc.	$ 97,640	$ 79,569	$ 97,611	$ 70,250
Weighted-average shares outstanding, basic (in shares)	35,911	36,032	35,835	36,034
Weighted Average Number Diluted Shares Outstanding Adjustment	863	672	846	630
Weighted Average Number of Shares Outstanding, Diluted	36,774	36,704	36,681	36,664
Basic net income (loss) per share attributable to Vail Resorts, Inc.	$ 2.72	$ 2.21	$ 2.72	$ 1.95
Diluted net income (loss) per share attributable to Vail Resorts, Inc.	$ 2.66	$ 2.17	$ 2.66	$ 1.92