Long-Term Debt Long-Term Debt (Narrative) (Details) - USD ($)		3 Months Ended		9 Months Ended
	Aug. 15, 2018	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018	Jul. 31, 2018
Line of Credit Facility, Increase (Decrease), Net				$ 100,000,000
Gross interest expense		$ 19,600,000	$ 15,600,000	59,200,000	$ 46,800,000
Long-term Debt		1,363,411,000	1,119,986,000	1,363,411,000	1,119,986,000	$ 1,276,082,000
Amortization of deferred financing costs		300,000	300,000	1,000,000	1,000,000
Intercompany Foreign Currency Balance, Amount		210,000,000		210,000,000
Debt Instrument, Unused Borrowing Capacity, Fee				0.0025
Unamortized Debt Issuance Expense		4,037,000	3,537,000	4,037,000	3,537,000	3,350,000
Foreign currency gain (loss) on intercompany loans (Note 5)		3,319,000	9,502,000	5,180,000	6,511,000
Proceeds from Sale of Real Estate				11,200,000
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		$ 950,000,000
Long-term Debt		$ 926,250,000	693,750,000	$ 926,250,000	693,750,000	684,375,000
Debt Instrument, Interest Rate, Stated Percentage		3.73%		3.73%
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 began on January 31, 2019, in equal installments, for a total of five percent of principal payable in each year and the final payment of all amounts outstanding, plus accrued and unpaid interest due in April 2024.
Credit Facility Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 500,000,000		$ 500,000,000
Long-term Debt		0	0	$ 0	0	130,000,000
Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Initiation Date				Nov. 12, 2013
Debt Instrument, Maturity Date				Dec. 15, 2023
Long-term Debt		$ 26,127,000	$ 31,153,000	$ 26,127,000	$ 31,153,000	$ 65,353,000
Debt Instrument, Interest Rate, Stated Percentage		3.78%		3.78%
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 April 30, 2019, 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		$ 75,000,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 300,000,000		$ 300,000,000