Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Net income	$ (61,248)	$ 196,856	$ 159,728	$ (63,618)	$ (65,284)	$ 157,537	$ 116,871	$ (59,670)	$ 231,718	$ 149,454	$ 114,610
Foreign currency translation adjustments and other (net of tax of ($2,831), ($1,905) and $2,578, respectively)									64,152	3,363	(4,714)
Comprehensive income									295,870	152,817	109,896
Comprehensive (income) loss attributable to noncontrolling interests									(39,372)	300	144
Comprehensive income attributable to Vail Resorts, Inc.									$ 256,498	$ 153,117	$ 110,040