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Acquisitions (Summary Pro Forma Financial Information) (Details) $ / shares in Units, $ in Thousands | 3 Months Ended
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Oct. 31, 2016 USD ($) $ / shares
Pro Forma Financial Information [Line Items] |
Pro forma net revenue | $ | $ 200,929
Pro forma net loss attributable to Vail Resorts, Inc. | $ | $ (67,678)
Pro forma basic net loss per share attributable to Vail Resorts, Inc. | $ / shares | $ (1.69)
Pro forma diluted net loss per share attributable to Vail Resorts, Inc. | $ / shares | $ (1.69)

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