XML 37 R27.htm IDEA: XBRL DOCUMENT v3.3.1.900

Summary of Significant Accounting Policies (Narrative) (Details)	6 Months Ended
	Jan. 31, 2016
Canyons Obligation [Member]
Debt Instrument, Year of Maturity	2063

X

- Definition

Debt Instrument, Year of Maturity

+ References

No definition available.

+ Details

Name:	mtn_DebtInstrumentYearofMaturity
Namespace Prefix:	mtn_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

X

- Details

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