Revenue generated from owned and managed hotels and condominiums, transportation, golf and other activities.

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Revenue mainly derived from the sale of lift tickets and season ski passes, ski school, food and beverage, retail/rental and other revenue associated with mountain operations.

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Real Estate Revenue

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The sum of mountain and lodging segment revenue.

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Season Pass Credit Deferral Revenue

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Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Revenues (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Revenues (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Oct. 31, 2020	Jul. 31, 2020	Apr. 30, 2020	Jan. 31, 2020	Oct. 31, 2019	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Disaggregation of Revenue [Line Items]
Season Pass Credit Deferral Revenue									$ 15,400	$ 120,900
Accounts Receivable, after Allowance for Credit Loss, Current	$ 345,408				$ 106,664				345,408	106,664
Mountain Revenue Net									1,689,878	1,710,443	$ 1,956,201
Lodging									218,062	248,414	314,662
Resort net revenue									1,907,940	1,958,857	2,270,863
Real Estate									1,770	4,847	712
Revenues	204,202	$ 889,078	$ 684,644	$ 131,786	77,209	$ 694,087	$ 924,638	$ 267,770	1,909,710	1,963,704	2,271,575
Deferred Revenue, Current	456,457				256,402				456,457	256,402
Accounts and Other Receivables, Net, Current	$ 345,400				$ 106,700				345,400	106,700
Dining
Disaggregation of Revenue [Line Items]
Lodging									19,068	38,252	53,730
Owned hotel rooms
Disaggregation of Revenue [Line Items]
Lodging									47,509	44,992	64,826
Managed condominium rooms
Disaggregation of Revenue [Line Items]
Lodging									72,217	76,480	86,236
Transportation
Disaggregation of Revenue [Line Items]
Lodging									9,271	15,796	21,275
Golf
Disaggregation of Revenue [Line Items]
Lodging									20,437	17,412	19,648
Other
Disaggregation of Revenue [Line Items]
Lodging									43,007	44,933	54,617
Lodging revenue (excluding payroll cost reimbursements) [Member]
Disaggregation of Revenue [Line Items]
Lodging									211,509	237,865	300,332
Payroll cost reimbursements
Disaggregation of Revenue [Line Items]
Lodging									6,553	10,549	14,330
Other \| Other
Disaggregation of Revenue [Line Items]
Mountain Revenue Net									150,751	177,159	205,803
Retail/Rental \| Retail/Rental
Disaggregation of Revenue [Line Items]
Mountain Revenue Net									227,993	270,299	320,267
Dining \| Dining
Disaggregation of Revenue [Line Items]
Mountain Revenue Net									90,329	160,763	181,837
Ski School \| Ski School
Disaggregation of Revenue [Line Items]
Mountain Revenue Net									144,227	189,131	215,060
Lift \| Lift
Disaggregation of Revenue [Line Items]
Mountain Revenue Net									$ 1,076,578	$ 913,091	$ 1,033,234