Commitments and Contingencies (Narrative) (Details) $ in Thousands		12 Months Ended
	May 29, 2013	Jul. 31, 2021 USD ($)	Jul. 31, 2020 USD ($)	Jul. 31, 2019 USD ($)
Amount outstanding in letters of credit		$ 76,700
Surety Bonds Outstanding		$ 13,200
Number of optional renewal terms		3
Lease expense, excluding executory costs		$ 58,700	$ 58,800	$ 57,800
Long-term Debt		2,948,514	2,444,248
Litigation Settlement, Expense		13,200
Holland Creek Metropolitan District [Member]
Credit-enhanced bonds issued amount		6,300
Amount outstanding in letters of credit		6,400
Red Sky Ranch Metropolitan District [Member]
Other long-term liabilities		$ 2,000	2,100
Estimated cessation date of capital improvement fee payment obligation		Jul. 31, 2031
Employee Housing Bonds [Member]
Amount outstanding in letters of credit		$ 53,400
Workers' Compensation and General Liability Related to Construction and Development Activities [Member]
Amount outstanding in letters of credit		$ 23,300
Northstar [Member]
Optional Lease Renewal Term		10
Lease Expiration Year		2027
Perisher [Member]
Optional Lease Renewal Term		20 years
Operating Leases, Rent Expense, Contingent Rentals		of certain gross revenue
Lease Expiration Year		2048
Canyons [Member]
Optional Lease Renewal Term	six 50-year renewal options
Lease Expiration Year		2079
Mad River Mountain
Lease Expiration Date		Jul. 31, 2035
Hotham [Member]
Lease Expiration Year		2058
Falls Creek [Member]
Lease Expiration Year		2041
Canyons Obligation [Member]
Long-term Debt		$ 351,820	$ 346,034