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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019 | Jul. 31, 2018
Net operating loss carryback | $ 3,800 |  |  |
US Refundable Payroll Tax Credits | $ 9,600 |  |  |
Excess tax benefits related to stock-based compensation | (14.30%) | (7.10%) | (3.00%) |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | $ 19,196 | $ 18,577 | $ 17,540 |
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 16,754 | 16,654 | $ 11,520 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 3,400 |  |  |
Unrecognized tax benefits, income tax penalties and interest accrued | 6,900 | 6,200 |  |
Income tax examination, penalties and interest expense | (700) | $ 100 |  | $ (1,100)
Operating Loss Carryforwards | 48,200 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Foreign | 4,200 |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 4,200 |  |  |
Impacts of the Tax Act and other legislative changes | 0.00% | (3.20%) | 0.00% |
Foreign Refundable Payroll Tax Credits | $ 30,800 | $ 8,500 |  |
Deferred Tax Assets, Capital Loss Carryforwards | 2,700 |  |  |
Capital Loss Carryforward |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 2,700 |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Operating loss carryforwards, valuation allowance | 3,900 |  |  |
Foreign Tax Authority [Member] |  |  |  |
Operating Loss Carryforwards | 3,900 |  |  |
Peak Resorts, Inc. [Member] |  |  |  |
Operating Loss Carryforwards | $ 44,400 |  |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 740 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120384911&loc=d3e23163-113944 + Details
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