Debt Service Reserve

No definition available.

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

- Definition

EPR Additional Interest Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	mtn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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+ Details

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

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 470
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+ Details

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

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

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+ Details

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

- Definition

Amount of an intercompany foreign currency transactions that is of a long-term-investment nature, that is, settlement is not planned of anticipated in the foreseeable future.

+ References

No definition available.

+ Details

Name:	us-gaap_IntercompanyForeignCurrencyBalanceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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+ Details

Name:	us-gaap_InterestExpenseDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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.

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+ Details

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

- Definition

Amount of increase (decrease) of the credit facility.

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+ Details

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

- Definition

Date the credit facility first became available, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
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

+ Details

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Namespace Prefix:	us-gaap_
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:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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/disclosureRef
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+ Details

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

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mtn_WhistlerCreditAgreementrevolverMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mtn_AlpineValleySecuredNoteMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mtn_BostonMillsBrandywineSecuredNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mtn_JackFrostBigBoulderSecuredNoteMember
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Balance Type:
Period Type:

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Name:	us-gaap_LongtermDebtTypeAxis=mtn_MountSnowSecuredNoteMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mtn_HunterMountainSecuredNoteMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mtn_EB5DevelopmentNotesMember
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Balance Type:
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- Details

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Balance Type:
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- Details

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- Details

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Long-Term Debt Long-Term Debt (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019	Jul. 31, 2019
Gross interest expense	$ 26,100	$ 21,000	$ 48,800	$ 39,600
Amortization of Debt Issuance Costs	300	400	700	700
Intercompany Foreign Currency Balance, Amount	210,000		210,000
Foreign currency (loss) gain on intercompany loans (Note 6)	(798)	450	(438)	(1,861)
Long-term Debt	1,866,566	1,397,645	1,866,566	1,397,645	$ 1,580,130
Term Loan [Member]
Line of Credit Facility, Increase (Decrease), Net			335,600
Long-term Line of Credit	$ 1,250,000		$ 1,250,000
Debt Instrument, Interest Rate, Stated Percentage	3.15%		3.15%
Long-term Debt	$ 1,234,375	938,125	$ 1,234,375	938,125	914,375
Credit Facility Revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity	500,000		500,000
Long-term Debt	$ 25,000	0	$ 25,000	0	208,000
Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Initiation Date			Nov. 12, 2013
Debt Instrument, Interest Rate, Stated Percentage	3.78%		3.78%
Debt Instrument, Unused Borrowing Capacity, Fee			0.3937%
Long-term Debt	$ 26,447	60,904	$ 26,447	60,904	45,454
Alpine Valley Secured Note [Member] [Member]
Debt Instrument, Interest Rate, Stated Percentage	11.21%		11.21%
Long-term Debt	$ 4,600		$ 4,600
Boston Mills/Brandywine Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	10.75%		10.75%
Long-term Debt	$ 23,300		$ 23,300
Jack Frost/Big Boulder Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	10.75%		10.75%
Long-term Debt	$ 14,300		$ 14,300
Mount Snow Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	11.61%		11.61%
Long-term Debt	$ 51,100		$ 51,100
Hunter Mountain Secured Note [Member]
Debt Instrument, Interest Rate, Stated Percentage	8.43%		8.43%
Long-term Debt	$ 21,000		$ 21,000
EB-5 Development Notes [Member]
Long-term Debt, Gross	52,000		52,000
Long-term Debt	$ 51,500	$ 0	$ 51,500	$ 0	$ 0
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	1.00%		1.00%
Canada, Dollars \| Whistler Credit Agreement revolver [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 300,000		$ 300,000
EPR Secured Notes [Member]
EPR Additional Interest Rate			10.00%
Debt Service Reserve	$ 3,400		$ 3,400
Hunter Mountain Secured Note [Member]
EPR Additional Interest Rate			8.00%
Mount Snow Secured Note [Member]
EPR Additional Interest Rate			12.00%