Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 31, 2018	Apr. 30, 2018	Jan. 31, 2018	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2016	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016
Net income	$ (87,791)	$ 272,275	$ 248,673	$ (31,927)	$ (61,248)	$ 196,856	$ 159,728	$ (63,618)	$ 401,230	$ 231,718	$ 149,454
Foreign currency translation adjustments and other (net of tax of $1,981, ($2,831) and ($1,905), respectively)									(61,957)	64,152	3,363
Comprehensive income									339,273	295,870	152,817
Comprehensive (income) loss attributable to noncontrolling interests									(5,997)	(39,372)	300
Comprehensive income attributable to Vail Resorts, Inc.									$ 333,276	$ 256,498	$ 153,117