Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Disaggregation of Revenue [Line Items]
Accounts Receivable, after Allowance for Credit Loss, Current	$ 381,067	$ 383,425
Mountain Revenue Net	2,540,906	2,213,114	$ 1,702,798
Lodging	340,393	312,090	205,142
Resort net revenue	2,881,299	2,525,204	1,907,940
Real Estate	8,065	708	1,770
Revenues	2,889,364	2,525,912	1,909,710
Deferred Revenue, Current	572,602	511,306
Accounts and Other Receivables, Net, Current	381,100	383,400
Dining
Disaggregation of Revenue [Line Items]
Lodging	62,445	48,569	17,211
Owned hotel rooms
Disaggregation of Revenue [Line Items]
Lodging	80,117	80,579	47,509
Managed condominium rooms
Disaggregation of Revenue [Line Items]
Lodging	96,785	97,704	72,217
Transportation
Disaggregation of Revenue [Line Items]
Lodging	15,242	16,021	9,271
Golf
Disaggregation of Revenue [Line Items]
Lodging	12,737	10,975	9,373
Other
Disaggregation of Revenue [Line Items]
Lodging	55,816	46,500	43,008
Lodging revenue (excluding payroll cost reimbursements) [Member]
Disaggregation of Revenue [Line Items]
Lodging	323,142	300,348	198,589
Payroll cost reimbursements
Disaggregation of Revenue [Line Items]
Lodging	17,251	11,742	6,553
Other | Other
Disaggregation of Revenue [Line Items]
Mountain Revenue Net	246,605	203,783	161,814
Retail/Rental | Retail/Rental
Disaggregation of Revenue [Line Items]
Mountain Revenue Net	361,484	311,768	227,993
Dining | Dining
Disaggregation of Revenue [Line Items]
Mountain Revenue Net	224,642	163,705	92,186
Ski School | Ski School
Disaggregation of Revenue [Line Items]
Mountain Revenue Net	287,275	223,645	144,227
Lift | Lift
Disaggregation of Revenue [Line Items]
Mountain Revenue Net	$ 1,420,900	$ 1,310,213	$ 1,076,578