Long-Term Debt Long-Term Debt (Narrative) (Details) - USD ($)		3 Months Ended
	Aug. 15, 2018	Oct. 31, 2018	Oct. 31, 2017	Jul. 31, 2018
Gross interest expense		$ 18,600,000	$ 15,200,000
Long-term Debt		1,539,513,000	1,304,660,000	$ 1,276,082,000
Amortization of deferred financing costs		300,000	300,000
Intercompany Foreign Currency Balance, Amount		210,000,000
Debt Instrument, Unused Borrowing Capacity, Fee		0.0025
Unamortized Debt Issuance Expense		4,063,000	3,913,000	3,350,000
Foreign currency loss on intercompany loans (Note 4)		2,311,000	7,346,000
Term Loan [Member]
Line of Credit Facility, Initiation Date	Aug. 15, 2018
Line of Credit Facility, Increase (Decrease), Net		$ 265,600,000
Debt Instrument, Maturity Date		Aug. 15, 2023
Long-term Line of Credit		$ 950,000,000
Long-term Debt		$ 950,000,000	712,500,000	684,375,000
Debt Instrument, Interest Rate, Stated Percentage		3.55%
Long-term Debt, Description		In addition, pursuant to the terms of the Vail Holdings Credit Agreement, VHI has the ability to increase availability (under the revolver or in the form of term loans) to an aggregate principal amount not to exceed the greater of (i) $1.2 billion and (ii) the product of 2.75 and the trailing twelve-month Adjusted EBITDA, as defined in the Vail Holdings Credit Agreement. The term loan facility is subject to quarterly amortization of principal of approximately $11.9 million, which will begin on January 31, 2019, in equal installments, with five percent payable in each year and the final payment of all amounts outstanding, plus accrued and unpaid interest due in August 2023.
Credit Facility Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 400,000,000
Long-term Debt		$ 120,000,000	95,000,000	130,000,000
Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Initiation Date		Nov. 12, 2013
Debt Instrument, Maturity Date		Nov. 12, 2022
Long-term Debt		$ 72,170,000	$ 104,625,000	$ 65,353,000
Debt Instrument, Interest Rate, Stated Percentage		3.87%
Long-term Debt, Description		Borrowings under the Whistler Credit Agreement are available in Canadian or U.S. dollars and bear interest annually, subject to an applicable margin based on the WB Partnerships’ Consolidated Total Leverage Ratio (as defined in the Whistler Credit Agreement), with pricing as of October 31, 2018, in the case of borrowings (i) in Canadian dollars, at the WB Partnerships’ option, either (a) at the Canadian Prime Rate plus 0.75% per annum or (b) by way of the issuance of bankers’ acceptances plus 1.75% per annum; and (ii) in U.S. dollars, at the WB Partnerships option, either at (a) the U.S. Base Rate plus 0.75% per annum or (b) Bankers Acceptance Rate plus 1.75% per annum
Debt Instrument, Unused Borrowing Capacity, Fee		0.3937%
Canada, Dollars | Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Remaining Borrowing Capacity		$ 75,000,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 300,000,000