Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Stock-based compensation	0.70%	(3.60%)	(14.30%)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	$ 22,254	$ 16,127	$ 19,196
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	11,025	11,179	16,754
Operating Loss Carryforwards	63,400
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	4,200
Foreign Refundable Payroll Tax Credits		7,000	$ 30,800
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	700
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	5,100
Deferred Tax Assets, Gross	160,758	146,318
Valuation Allowance [Abstract]
Tax Credit Carryforward, Valuation Allowance	4,200
Deferred Tax Assets, Valuation Allowance	9,603	$ 5,188
State and Local Jurisdiction [Member]
Operating loss carryforwards, valuation allowance	4,400
Foreign Tax Authority [Member]
Operating Loss Carryforwards	52,800
Deferred Tax Assets, Gross	1,000
Valuation Allowance [Abstract]
Deferred Tax Assets, Valuation Allowance	1,000
Peak Resorts, Inc. [Member]
Operating Loss Carryforwards	$ 10,600