| **Acquisitions (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands**                                                    | 3 Months Ended | 9 Months Ended |                        |           |                |
|-----------------------------------------------------------------------------------------------------------------------------------------|----------------|----------------|------------------------|-----------|----------------|
||
| Business Acquisition, Pro Forma Revenue                                                                                                 |           |           |                   | $ 579,672 |           |   | $ 1,282,926 |   |   |   |
| Payments to Acquire Businesses, Net of Cash Acquired                                                                                    |           |           |                   |      |           | $ 20,245 | 182,500 |   |   |   |
| Long-term Debt                                                                                                                          | $ 629,178      |           | $ 816,830              | 636,749   |           | 629,178 | 636,749 |   |   |   |
| Business Acquisition, Pro Forma Net Income (Loss)                                                                                       |           |           |                   | $ 129,187 |           |   | $ 186,810 |   |   |   |
| Business Acquisition, Pro Forma Earnings Per Share, Basic                                                                               |           |           |                   | $ 3.55    |           |   | $ 5.14 |   |   |   |
| Gain (Loss) Related to Litigation Settlement                                                                                            | 0              |           |                   | $ 0       |           | 0 | $ 16,400 |   |   |   |
| Park City litigation payment to Talisker                                                                                                |           |           |                   |      |           | 0 | $ (10,000) |   |   |   |
| Business Acquisition, Pro Forma Earnings Per Share, Diluted                                                                             |           |           |                   | $ 3.45    |           |   | $ 5.00 |   |   |   |
| Wilmot [Member]                                                                                                                         |           |           |                   |      |           |   |   |   |   |   |
| Business Acquisition, Effective Date of Acquisition                                                                                     |           | Jan. 19,  2016 |                   |      |           |   |   |   |   |   |
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life                                                                   |           | 10 years       |                   |      |           |   |   |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment                   |           |           |                   |      |           |   |   | $ 12,500 |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           |           |           |                   |      |           |   |   | 400 |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets |           |           |                   |      |           |   |   | 200 |   |   |
| Goodwill, Acquired During Period                                                                                                        |           | $ 7,400        |                   |      |           |   |   |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable            |           |           |                   |      |           |   |   | $ 300 |   |   |
| PCMR [Member]                                                                                                                           |           |           |                   |      |           |   |   |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables                      |           |           |                   |      |           |   |   |   |   | $ 930 |
| Business Acquisition, Effective Date of Acquisition                                                                                     |           |           |                   |      | Sep. 11,  2014 |   |   |   |   |   |
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life                                                                   |           |           |                   |      | 46 years       |   |   |   |   |   |
| Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual                                         |           |           |                   | $ 35,400  |           |   | $ 63,800 |   |   |   |
| Business Combination, Consideration Transferred                                                                                         |           |           |                   |      | $ 182,500      |   |   |   |   |   |
| Gain (Loss) Related to Litigation Settlement                                                                                            |           |           |                   |      | 16,400         |   |   |   |   |   |
| Fair value of litigation settlement                                                                                                     |           |           |                   |      | 10,100         |   |   |   |   |   |
| Business Combination, Consideration Transferred, Other                                                                                  |           |           |                   |      | 26,500         |   |   |   |   |   |
| Park City litigation payment to Talisker                                                                                                |           |           |                   |      | 10,000         |   |   |   |   |   |
| Business Acquisition, Transaction Costs                                                                                                 |           |           |                   |      |           |   | 800 |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment                   |           |           |                   |      |           |   |   |   |   | 76,605 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           |           |           |                   |      |           |   |   |   |   | 27,650 |
| Goodwill, Acquired During Period                                                                                                        |           |           |                   |      | $ 92,516       |   |   |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets                                           |           |           |                   |      |           |   |   |   |   | 215,204 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable            |           |           |                   |      |           |   |   |   |   | 1,935 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue            |           |           |                   |      |           |   |   |   |   | 4,319 |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities                                      |           |           |                   |      |           |   |   |   |   | $ 6,254 |
| Perisher [Member]                                                                                                                       |           |           |                   |      |           |   |   |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables                      |           |           |                   |      |           |   |   |   | $ 1,494 |   |
| Business Acquisition, Effective Date of Acquisition                                                                                     |           |           | Jun. 30,  2015         |      |           |   |   |   |   |   |
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life                                                                   |           |           | 4 years                |      |           |   |   |   |   |   |
| Lease Expiration Date                                                                                                                   |           |           | Jan.  01,  2048        |      |           |   |   |   |   |   |
| Optional Lease Renewal Term                                                                                                             |           |           | 20-year renewal option |      |           |   |   |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory                                        |           |           |                   |      |           |   |   |   | 4,859 |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment                   |           |           |                   |      |           |   |   |   | 126,287 |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           |           |           |                   |      |           |   |   |   | 5,458 |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets |           |           |                   |      |           |   |   |   | 525 |   |
| Goodwill, Acquired During Period                                                                                                        |           |           | $ 31,657               |      |           |   |   |   |   |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets                                           |           |           |                   |      |           |   |   |   | 170,280 |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable            |           |           |                   |      |           |   |   |   | 11,394 |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue            |           |           |                   |      |           |   |   |   | 15,906 |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent              |           |           |                   |      |           |   |   |   | 18,429 |   |
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities                                      |           |           |                   |      |           |   |   |   | $ 45,729 |   |
| Canyons Obligation [Member]                                                                                                             |           |           |                   |      |           |   |   |   |   |   |
| Long-term Debt                                                                                                                          | $ 321,688      |           | $ 317,455              | $ 316,056 |           | $ 321,688 | $ 316,056 |   |   |   |

| X                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Fair value of litigation settlement that applies to the period prior to the Canyons transaction.
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Litigation settlement accounted for as consideration
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| X                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Number of years in optional renewal terms.
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| X                                                                                                                                                                                                                                                                |
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| - Definition
Park City litigation payment to Talisker
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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| - Definition
Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.
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| - Definition
The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.
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| - Definition
The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.
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| - Definition
The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.
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| - Definition
This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.
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| - Definition
Amount of assets acquired at the acquisition date.
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| - Definition
Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.
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| - Definition
Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.
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| - Definition
Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.
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| - Definition
Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.
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| - Definition
Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.
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| - Definition
Amount of intangible assets, excluding goodwill, acquired at the acquisition date.
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| - Definition
The amount of inventory recognized as of the acquisition date.
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| - Definition
Amount of liabilities assumed at the acquisition date.
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| - Definition
The amount of property, plant, and equipment recognized as of the acquisition date.
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| - Definition
For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs which have been expensed.
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| - Definition
Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.
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| - Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
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| - Definition
Date which lease or group of leases is set to expire, in CCYY-MM-DD format.
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No definition available.
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| - Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5
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| - Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133
+ Details**Name:**us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
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| - Details**Name:**us-gaap_BusinessAcquisitionAxis=mtn_PCMRMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
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| - Details**Name:**us-gaap_BusinessAcquisitionAxis=mtn_PerisherMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
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