Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016	Jul. 31, 2016
Total Mountain net revenue	$ 721,160	$ 572,805	$ 1,486,026	$ 1,206,610
Lodging	68,601	72,933	201,887	200,026
Total Resort net revenue	789,761	645,738	1,687,913	1,406,636
Real estate	4,870	1,734	10,181	14,766
Total net revenue	794,631	647,472	1,698,094	1,421,402
Mountain	340,390	281,968	863,882	729,382
Lodging	57,897	57,422	181,660	176,170
Total Resort operating expense	398,287	339,390	1,045,542	905,552
Real estate	9,818	3,085	17,144	17,043
Total segment operating expense	408,105	342,475	1,062,686	922,595
Gain on sale of real property	0	19	6,466	1,810
Mountain equity investment income, net	521	211	1,510	992
Total Reported EBITDA	387,047	305,227	643,384	501,609
Real estate held for sale and investment	108,217	116,874	108,217	116,874	$ 111,088
Depreciation and amortization	(50,029)	(41,472)	(140,236)	(120,713)
Change in estimated fair value of contingent consideration (Note 7)	(14,500)	0	(15,100)	0
Loss on disposal of fixed assets and other, net	(1,924)	(164)	(4,705)	(3,149)
Investment income and other, net	210	150	5,881	509
Interest expense and other, net	(23,313)	(10,400)	(44,325)	(31,905)
Income before provision for income taxes	297,491	253,341	444,899	346,351
Provision for income taxes	(100,635)	(95,804)	(151,933)	(131,613)
Net income	196,856	157,537	292,966	214,738
Net (income) loss attributable to noncontrolling interests	(15,749)	95	(25,267)	289
Net income attributable to Vail Resorts, Inc.	181,107	157,632	267,699	215,027
Lift Tickets [Member]
Total Mountain net revenue	419,647	334,789	799,324	642,627
Ski School [Member]
Total Mountain net revenue	91,704	74,279	173,674	139,703
Dining [Member]
Total Mountain net revenue	65,618	51,000	133,352	108,093
Retail/Rental [Member]
Total Mountain net revenue	102,104	79,384	261,816	214,748
Other [Member]
Total Mountain net revenue	42,087	33,353	117,860	101,439
Resort [Member]
Total Reported EBITDA	391,995	306,559	643,881	502,076
Mountain [Member]
Total Reported EBITDA	381,291	291,048	623,654	478,220
Lodging [Member]
Total Reported EBITDA	10,704	15,511	20,227	23,856
Real Estate [Member]
Total Reported EBITDA	$ (4,948)	$ (1,332)	$ (497)	$ (467)