Subsequent Events (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Oct. 31, 2016	Jan. 31, 2017
Whistler Blackcomb [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement	Aug. 05, 2016
Description of Development Agreement		The MDAs each have a term of 60 years and are replaceable for an additional 60 years by option exercisable by the WB Partnerships after the first 30 years of the initial term. In accordance with the MDAs, each WB Partnership is obligated to pay annual fees to the Province at a rate of 2% of certain gross revenues related to the Whistler Blackcomb Resort.
Development Agreement Date		Feb. 23, 2017
Stowe [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement		Feb. 17, 2017
Payments to Acquire Businesses, Gross		$ 50.0