Long-Term Debt (Schedule Of Debt Instruments) (Details) $ / shares in Units, $ in Millions			12 Months Ended
	Sep. 24, 2019 USD ($) $ / shares	May 29, 2013 USD ($)	Jul. 31, 2021 USD ($) d $ / shares	Jul. 31, 2020 USD ($)	Jul. 31, 2019 USD ($)	Jul. 31, 2021 CAD ($)	Dec. 18, 2020 USD ($)
Long-Term Debt, Maturity, Year One			$ 121,345,000
VHI Credit Agreement Waiver Period Required Liquidity for Distribution			300,000,000
VHI Credit Agreement Waiver Period Quarterly Distribution Limit			38,200,000
VHI Credit Agreement Waiver Period Required Liquidity for Investment in Unrestricted Subsidiaries			300,000,000
Debt Instrument, Face Amount							$ 575,000,000
Debt Instrument, Unused Borrowing Capacity, Fee			0.004
Interest Rate Swap, Notional Amount			400,000,000	$ 400,000,000
Long-term Debt			2,948,514,000	2,444,248,000
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net			98,222,000	(6,551,000)
Less: Current maturities			114,117,000	63,677,000
Long-term debt, net			2,736,175,000	2,387,122,000
Interest Expense, Debt			151,400,000	106,700,000	$ 79,500,000
Amortization of Financing Costs			4,900,000	1,900,000	1,300,000
Intercompany Foreign Currency Balance, Amount			210,000,000
Foreign currency gain (loss) on intercompany loans (Note 6)			8,282,000	$ (3,230,000)	$ (2,854,000)
Long-Term Debt, Maturity, Year Two			63,740,000
Long-Term Debt, Maturity, Year Three			63,798,000
Long-Term Debt, Maturity, Year Four			1,598,774,000
Long-Term Debt, Maturity, Year Five			575,415,000
Long-Term Debt, Maturity, after Year Five			525,442,000
Convertible Debt Partial Redemption Minimum Remaining Balance			50,000,000
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature			27,500,000
VHI Credit Agreement Waiver Period Minimum Liquidity			150,000,000
Derivative, Fixed Interest Rate				1.46%
Proceeds from Unsecured Notes Payable				$ 600,000,000
EB-5 Development Notes1 [Member]
Long-term Debt			30,000,000
Credit Facility Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity			500,000,000
Long-term Debt			$ 0	0
Fiscal year maturity			2024
Basis spread on LIBOR rate			2.50%
Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity						$ 300.0
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 July 31, 2021, in the case of borrowings (i) in Canadian dollars, at the WB Partnerships’ option, either (a) at the Canadian Prime Rate plus 1.00% per annum or (b) by way of the issuance of bankers’ acceptances plus 2.00% per annum; and (ii) in U.S. dollars, at the WB Partnerships option, either at (a) the U.S. Base Rate plus 1.00% per annum or (b) Bankers Acceptance Rate plus 2.00% per annum
Debt Instrument, Interest Rate, Stated Percentage			2.46%			2.46%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.45%
Line of Credit Facility, Initiation Date			Nov. 12, 2013
Long-term Debt			$ 44,891,000	58,236,000
Fiscal year maturity			2024
EPR Secured Notes [Member]
Annual Interest Rate Increase Cap			1.50%
Long-term Debt			$ 114,162,000	114,162,000
EB-5 Development Notes [Member]
Debt Instrument, Face Amount			52,000,000
Long-term Debt			$ 51,500,000	51,500,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate			1.00%			1.00%
Term Loan [Member]
Long-term Line of Credit			$ 1,100,000,000
Debt Instrument, Periodic Payment			$ 15,600,000
Debt Instrument, Interest Rate, Stated Percentage			2.59%			2.59%
Long-term Debt			$ 1,140,625,000	1,203,125,000
Fiscal year maturity			2024
Term Loan, Unhedged Portion [Member]
Debt Instrument, Interest Rate, Stated Percentage			2.75%			2.75%
Employee Housing Bonds [Member]
Long-term Debt			$ 52,575,000	52,575,000
Reference for interest rate determination			LIBOR plus 0% to 0.09%
Canyons Obligation [Member]
Long-term Debt			$ 351,820,000	346,034,000
Fiscal year maturity			2063
Other [Member]
Long-term Debt			$ 17,941,000	$ 18,616,000
Alpine Valley Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage			11.38%			11.38%
Long-term Debt			$ 4,600,000
Boston Mills Brandywine Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage			10.91%			10.91%
Long-term Debt			$ 23,300,000
Jack Frost Big Boulder Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage			10.91%			10.91%
Long-term Debt			$ 14,300,000
Mount Snow Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage			11.96%			11.96%
Long-term Debt			$ 51,100,000
Hunter Mountain Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage			8.72%			8.72%
Annual Interest Rate Increase Cap			1.75%
Long-term Debt			$ 21,000,000
EB-5 Development Notes2 [Member]
Long-term Debt			$ 22,000,000
Convertible Debt
Fiscal year maturity			2026
Hunter Mountain Secured Note [Member]
EPR Additional Interest Rate			8.00%
Mount Snow Secured Note [Member]
EPR Additional Interest Rate			12.00%
6.25% Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage				6.25%
Long-term Debt			$ 600,000,000	$ 600,000,000
Fiscal year maturity			2025
Debt Instrument, Redemption, Description				In addition, prior to May 15, 2022, the Company may redeem up to 35% of the aggregate principal amount of the 6.25% Notes with an amount not to exceed the net cash proceeds from certain equity offerings at the redemption price of 106.25% of the principal amount of the notes to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the redemption date.
EPR Secured Notes [Member]
EPR Additional Interest Rate			10.00%
Debt Service Reserve			$ 5,200,000
Colorado Water Conservation Board Note Outstanding [Member] | Other [Member]
Long-term debt, maturity date			Sep. 16, 2028
Long-term debt, outstanding amount			$ 3,300,000
Breckenridge Terrace [Member] | Employee Housing Bonds [Member]
Long-term Debt			$ 19,980,000
Fiscal year maturity			2039
Tarnes [Member] | Employee Housing Bonds [Member]
Long-term Debt			$ 10,410,000
Fiscal year maturity			2039
BC Housing [Member] | Employee Housing Bonds [Member]
Long-term Debt			$ 10,600,000
Fiscal year maturity			2027
Tenderfoot [Member] | Employee Housing Bonds [Member]
Long-term Debt			$ 11,585,000
Fiscal year maturity			2035
EB-5 Development Notes [Member]
Fiscal year maturity			2021
Convertible Notes Payable
Debt Instrument, Face Amount							$ 575,000,000
Long-term Debt			$ 575,000,000	$ 0
Debt Instrument, Convertible, Conversion Price | $ / shares			$ 407.17
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			130.00%
Debt Instrument, Convertible, Threshold Trading Days | d			20
Debt Instrument, Convertible, Threshold Consecutive Trading Days | d			30
Long-term Debt, Fair Value			$ 465,300,000
Debt Instrument, Convertible, Carrying Amount of Equity Component			109,700,000
Debt Instrument, Unamortized Discount (Premium), Net			97,200,000
Debt Issuance Costs, Net			$ 14,900,000
Debt Instrument Convertible Threshold Percentage of Stock Price Trigger 1			9800.00%
Debt Instrument, Convertible | d			10
Tranche A [Member] | Employee Housing Bonds [Member]
Long-term Debt			$ 37,780,000
Tranche A [Member] | Breckenridge Terrace [Member] | Employee Housing Bonds [Member]
Long-term Debt			14,980,000
Tranche A [Member] | Tarnes [Member] | Employee Housing Bonds [Member]
Long-term Debt			8,000,000
Tranche A [Member] | BC Housing [Member] | Employee Housing Bonds [Member]
Long-term Debt			9,100,000
Tranche A [Member] | Tenderfoot [Member] | Employee Housing Bonds [Member]
Long-term Debt			5,700,000
Tranche B [Member] | Employee Housing Bonds [Member]
Long-term Debt			14,795,000
Tranche B [Member] | Breckenridge Terrace [Member] | Employee Housing Bonds [Member]
Long-term Debt			5,000,000
Tranche B [Member] | Tarnes [Member] | Employee Housing Bonds [Member]
Long-term Debt			2,410,000
Tranche B [Member] | BC Housing [Member] | Employee Housing Bonds [Member]
Long-term Debt			1,500,000
Tranche B [Member] | Tenderfoot [Member] | Employee Housing Bonds [Member]
Long-term Debt			$ 5,885,000
Maximum [Member] | EPR Secured Notes [Member]
Fiscal year maturity			2036
Maximum [Member] | Employee Housing Bonds [Member]
Fiscal year maturity			2039
Long term debt interest rate			0.0018%
Maximum [Member] | Other [Member]
Fiscal year maturity			2033
Long term debt interest rate			5.50%
Minimum [Member] | EPR Secured Notes [Member]
Fiscal year maturity			2034
Minimum [Member] | Employee Housing Bonds [Member]
Fiscal year maturity			2027
Long term debt interest rate			0.0009%
Minimum [Member] | Other [Member]
Fiscal year maturity			2021
Long term debt interest rate			5.10%
Peak Resorts, Inc. [Member]
Business Acquisition, Share Price | $ / shares	$ 11.00
Business Combination, Cash Consideration Transferred	$ 264,500,000
Business Combination, Consideration Transferred, Other	70,200,000
Business Combination, Consideration Transferred	334,700,000
Proceeds from (Repayments of) Debt	$ 335,600,000
Indefinite-lived Intangible Assets Acquired				15,800,000
Indefinite Lived Property Management Contracts				$ 3,100,000
Canyons [Member]
Business Acquisition, Effective Date of Acquisition		May 24, 2013
Initial Capital Lease Term		50 years
Optional Lease Renewal Term		six 50-year renewal options
Minimum Capital Lease Payment, Annual		$ 25,000,000
Adjustments to Capital Lease Annual Payments		inflation-linked index of CPI less 1% per annum, with a floor of 2%
Talisker Canyons Obligation, Interest Rate			10.00%			10.00%
Accretion Expense			$ 46,500,000
Extension Year1 [Member] | EB-5 Development Notes [Member]
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate			7.00%			7.00%
Extension Year2 [Member] | EB-5 Development Notes [Member]
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate			10.00%			10.00%
Event of Default [Member] | EB-5 Development Notes [Member]
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate			5.00%			5.00%