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Summary of Significant Accounting Policies (Allocation Of Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2021
Pre-tax stock-based compensation expense | $ 25,409 | $ 24,885 | $ 24,395
Less: benefit for income taxes | 5,951 | 6,189 | 5,871
Net stock-based compensation expense | 19,458 | 18,696 | 18,524
Mountain Operating Expense [Member] |  |  |
Pre-tax stock-based compensation expense | 21,242 | 20,892 | 20,311
Lodging Operating Expense [Member] |  |  |
Pre-tax stock-based compensation expense | 3,972 | 3,737 | 3,783
Real Estate Operating Expense [Member] |  |  |
Pre-tax stock-based compensation expense | $ 195 | $ 256 | $ 301

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