Long-Term Debt Long-Term Debt (Narrative) (Details) $ / shares in Units, $ in Thousands, $ in Millions	3 Months Ended
	Oct. 31, 2023 USD ($) $ / shares	Oct. 31, 2022 USD ($)	Oct. 31, 2023 CAD ($)	Jul. 31, 2023 USD ($)	Dec. 18, 2020 USD ($)
Gross interest expense	$ 40,700	$ 35,300
Amortization of Debt Issuance Costs	1,600	1,600
Foreign currency gain on intercompany loans	(4,965)	(6,135)
Long-term Debt	2,805,786	2,847,317		$ 2,825,649
Debt Instrument, Face Amount					$ 575,000
Interest Rate Swap, Notional Amount	$ 400,000
Derivative, Fixed Interest Rate	1.38%		1.38%
Term Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.92%		6.92%
Long-term Debt	$ 1,000,000	1,062,500		1,015,625
Long-term Line of Credit	1,000,000
Credit Facility Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity	500,000
Long-term Debt	$ 0	0		0
Debt Instrument, Basis Spread on Variable Rate	1.60%
Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 300.0
Debt Instrument, Unused Borrowing Capacity, Fee	0.39%
Long-term Debt	$ 0	11,011		0
Alpine Valley Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	11.72%		11.72%
Long-term Debt	$ 4,600
Boston Mills Brandywine Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	11.41%		11.41%
Long-term Debt	$ 23,300
Jack Frost Big Boulder Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	11.41%		11.41%
Long-term Debt	$ 14,300
Mount Snow Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.32%		12.32%
Long-term Debt	$ 51,100
Hunter Mountain Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	9.03%		9.03%
Long-term Debt	$ 21,000
Convertible Notes Payable
Long-term Debt	$ 575,000	$ 575,000		$ 575,000
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 381.27