Acquisitions (Summary Pro Forma Financial Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Jan. 31, 2013	Jan. 31, 2013
Business Combinations [Abstract]
Pro forma net revenue	$ 440,024	$ 560,648
Pro forma net income attributable to Vail Resorts, Inc.	$ 54,419	$ (16,393)
Pro forma basic net income per share attributable to Vail Resorts, Inc.	$ 1.52	$ (0.46)
Pro forma diluted net income per share attributable to Vail Resorts, Inc.	$ 1.48	$ (0.46)