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Net Income (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 6 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Jan. 31, 2012
Jan. 31, 2011
Net Income (Loss) Per Common Share [Abstract]        
Net (loss) income attributable to Vail Resorts $ 46,389 $ 54,551 $ (9,320) $ 11,528
Weighted-average shares outstanding 36,005 35,991 36,036 35,964
Effect of dilutive securities, Basic           
Effect of dilutive securities, Diluted 646 807   673
Total shares, Basic 36,005 35,991 36,036 35,964
Total shares, Diluted 36,651 36,798 36,036 36,637
Net (loss) income per share attributable to Vail Resorts, Basic $ 1.29 $ 1.52 $ (0.26) $ 0.32
Net (loss) income per share attributable to Vail Resorts, Diluted $ 1.27 $ 1.48 $ (0.26) $ 0.31