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Supplementary Balance Sheet Information Schedule of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019	Jul. 31, 2019
Goodwill [Line Items]
Asset impairments	$ 28,372	$ 0	$ 28,372	$ 0
Goodwill	1,673,258	$ 1,596,867	1,673,258	$ 1,596,867	$ 1,608,206
Goodwill, Acquired During Period			144,634
Goodwill, Impairment Loss			(25,688)
Effects of changes in foreign currency exchange rates			(53,894)
Mountain [Member]
Goodwill [Line Items]
Goodwill	1,631,047		1,631,047		1,540,307
Goodwill, Acquired During Period			144,634
Effects of changes in foreign currency exchange rates			(53,894)
Lodging [Member]
Goodwill [Line Items]
Goodwill	$ 42,211		42,211		$ 67,899
Goodwill, Impairment Loss			(25,688)
Finite-Lived Intangible Assets [Member]
Goodwill [Line Items]
Asset impairments			2,700
Goodwill [Member]
Goodwill [Line Items]
Asset impairments			$ 25,700

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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