Interest Rate Swap, Notional Amount

No definition available.

Name:	mtn_InterestRateSwapNotionalAmount
Namespace Prefix:	mtn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of debt and lease obligation, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(21))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
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-URI https://asc.fasb.org//1943274/2147481139/470-20-50-5

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
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-Topic 470
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
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-Name Accounting Standards Codification
-Topic 210
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-Subparagraph (SX 210.5-02.22(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of commitment fees for the unused borrowing capacity under the long-term financing arrangement that is available to the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(7))
-Publisher FASB
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-Topic 830
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-Name Accounting Standards Codification
-Section 35
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-Topic 830
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-Topic 830
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481839/830-10-45-17

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
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-Name Accounting Standards Codification
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-Topic 470
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-Section 40
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481303/470-50-40-4

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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-Topic 470
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-Topic 470
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-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-4

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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Balance Type:
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- Details

Name:	us-gaap_LongtermDebtTypeAxis=mtn_WhistlerCreditAgreementrevolverMember
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Long-Term Debt Long-Term Debt (Narrative) (Details) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2025 USD ($) $ / shares	Jan. 31, 2024 USD ($)	Jan. 31, 2025 USD ($) $ / shares	Jan. 31, 2024 USD ($)	Jan. 31, 2025 CAD ($)	Jul. 31, 2024 USD ($)	Dec. 18, 2020 USD ($)
Foreign currency gain on intercompany loans	$ (1,385,000)	$ 3,040,000	$ (1,649,000)	$ (1,925,000)
Long-term Debt	2,709,239,000	2,794,031,000	2,709,239,000	2,794,031,000		$ 2,787,638,000
Debt Instrument, Face Amount							$ 575,000,000
Interest Rate Swap, Notional Amount	$ 400,000,000		$ 400,000,000
Derivative, Fixed Interest Rate	138.00%		138.00%		138.00%
Debt Instrument, Unused Borrowing Capacity, Fee			$ 0.0030
Repurchases of 0.0% Convertible Notes			48,000,000	0
Gain (Loss) on Extinguishment of Debt			2,000,000
Debt, Current	$ 525,000,000		525,000,000
Repayments of Debt			$ 50,000,000
Term Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage	5.91%		5.91%		5.91%
Long-term Debt		984,375,000		984,375,000		959,766,000
Long-term Line of Credit	$ 935,156,000		$ 935,156,000
Credit Facility Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity	600,000,000		600,000,000
Long-term Debt	$ 0	0	0	0		0
Debt Instrument, Basis Spread on Variable Rate	1.60%
Line of Credit Facility, Increase (Decrease), Net			$ 100,000,000
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	0	$ 0	0		0
Alpine Valley Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.07%		12.07%		12.07%
Long-term Debt	$ 4,600,000		$ 4,600,000
Boston Mills Brandywine Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	11.58%		11.58%		11.58%
Long-term Debt	$ 23,300,000		$ 23,300,000
Jack Frost Big Boulder Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	11.58%		11.58%		11.58%
Long-term Debt	$ 14,300,000		$ 14,300,000
Mount Snow Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.50%		12.50%		12.50%
Long-term Debt	$ 51,100,000		$ 51,100,000
Hunter Mountain Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	9.19%		9.19%		9.19%
Long-term Debt	$ 21,000,000		$ 21,000,000
Delayed Draw Term Loans
Line of Credit Facility, Maximum Borrowing Capacity	450,000,000		$ 450,000,000
Debt Instrument, Unused Borrowing Capacity, Fee			0.30%
Convertible Notes Payable
Long-term Debt	$ 525,000,000	575,000,000	$ 525,000,000	575,000,000		575,000,000
Debt Instrument, Convertible, Conversion Price \| $ / shares	$ 360.40		$ 360.40
6.25% Notes [Member]
Long-term Debt	$ 0	600,000,000	$ 0	600,000,000		0
6.50% Notes
Long-term Debt	$ 600,000,000	$ 0	$ 600,000,000	$ 0		$ 600,000,000