Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2019	Jan. 31, 2018	Jul. 31, 2018
Total Mountain net revenue	$ 776,073	$ 670,902	$ 921,079	$ 819,027
Lodging Revenue Net	73,249	63,539	148,149	135,628
Total Resort net revenue	849,322	734,441	1,069,228	954,655
Revenues	849,578	734,575	1,069,582	955,425
Real Estate Revenue	256	134	354	770
Mountain	424,008	365,605	646,371	572,689
Lodging	67,492	59,871	138,496	127,605
Resort	491,500	425,476	784,867	700,294
Real Estate	1,389	1,207	2,759	2,898
Total segment operating expense	492,889	426,683	787,626	703,192
Gain on sale of real property	0	515	0	515
Mountain equity investment income (loss), net	160	(35)	1,110	487
Total Reported EBITDA	356,849	308,372	283,066	253,235
Real estate held for sale and investment	101,730	103,212	101,730	103,212	$ 99,385
Depreciation and amortization	(55,238)	(51,404)	(106,281)	(100,028)
Change in estimated fair value of contingent consideration (Note 8)	(700)	0	(1,900)	0
Gain on disposal of fixed assets and other, net	1,097	538	478	1,105
Investment income and other, net	507	397	970	780
Foreign currency gain (loss) on intercompany loans	450	10,337	(1,861)	2,991
Interest expense, net	(21,002)	(15,973)	(39,640)	(31,147)
Income before (provision) benefit from income taxes	281,963	252,267	134,832	126,936
(Provision) benefit from income taxes	(63,973)	(3,594)	(27,568)	89,810
Net income	217,990	248,673	107,264	216,746
Net income attributable to noncontrolling interests	(11,641)	(12,982)	(8,710)	(9,440)
Net income attributable to Vail Resorts, Inc.	206,349	235,691	98,554	207,306
Lift Tickets [Member]
Total Mountain net revenue	447,558	381,912	472,243	407,380
Ski School [Member]
Total Mountain net revenue	92,244	80,116	96,516	84,554
Dining [Member]
Total Mountain net revenue	65,409	53,910	83,701	72,212
Retail/Rental [Member]
Total Mountain net revenue	128,436	115,446	171,778	160,853
Other Mountain Revenue [Member]
Total Mountain net revenue	42,426	39,518	96,841	94,028
Resort [Member]
Total Reported EBITDA	357,982	308,930	285,471	254,848
Mountain [Member]
Total Reported EBITDA	352,225	305,262	275,818	246,825
Lodging [Member]
Total Reported EBITDA	5,757	3,668	9,653	8,023
Real Estate [Member]
Total Reported EBITDA	$ (1,133)	$ (558)	$ (2,405)	$ (1,613)