Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016	Jul. 31, 2016
Total Mountain net revenue	$ 654,099	$ 532,872	$ 764,866	$ 633,805
Lodging	65,884	62,807	133,286	127,093
Total Resort net revenue	719,983	595,679	898,152	760,898
Real estate	5,215	3,684	5,311	13,032
Total net revenue	725,198	599,363	903,463	773,930
Mountain	355,239	296,256	523,492	447,414
Lodging	59,683	57,311	123,763	118,748
Total Resort operating expense	414,922	353,567	647,255	566,162
Real estate	5,841	4,617	7,326	13,958
Total segment operating expense	420,763	358,184	654,581	580,120
Gain on sale of real property	0	632	6,466	1,791
Mountain equity investment income (loss), net	157	(61)	989	781
Total Reported EBITDA	304,592	241,750	256,337	196,382
Real estate held for sale and investment	112,633	117,999	112,633	117,999	$ 111,088
Depreciation and amortization	(49,626)	(40,541)	(90,207)	(79,241)
Change in estimated fair value of contingent consideration (Note 7)	(300)	0	(600)	0
Loss on disposal of fixed assets and other, net	(2,231)	(1,206)	(2,781)	(2,985)
Investment income and other, net	1,148	161	5,671	359
Interest expense and other, net	(9,048)	(10,910)	(21,012)	(21,505)
Income before provision for income taxes	244,535	189,254	147,408	93,010
Provision for income taxes	(84,807)	(72,383)	(51,298)	(35,809)
Net income	159,728	116,871	96,110	57,201
Net (income) loss attributable to noncontrolling interests	(10,549)	111	(9,518)	194
Net income attributable to Vail Resorts, Inc.	149,179	116,982	86,592	57,395
Lift Tickets [Member]
Total Mountain net revenue	358,251	287,685	379,677	307,838
Ski School [Member]
Total Mountain net revenue	78,119	62,040	81,970	65,424
Dining [Member]
Total Mountain net revenue	54,366	44,738	67,734	57,093
Retail/Rental [Member]
Total Mountain net revenue	123,233	102,975	159,712	135,364
Other [Member]
Total Mountain net revenue	40,130	35,434	75,773	68,086
Resort [Member]
Total Reported EBITDA	305,218	242,051	251,886	195,517
Mountain [Member]
Total Reported EBITDA	299,017	236,555	242,363	187,172
Lodging [Member]
Total Reported EBITDA	6,201	5,496	9,523	8,345
Real Estate [Member]
Total Reported EBITDA	$ (626)	$ (301)	$ 4,451	$ 865