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Supplementary Balance Sheet Information Schedule of Goodwill (Details) - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2021	Jul. 31, 2020	Jan. 31, 2020
Goodwill [Line Items]
Goodwill	$ 1,760,908	$ 1,709,020	$ 1,750,011
Mountain [Member]
Goodwill [Line Items]
Goodwill	1,718,697	1,666,809
Effects of changes in foreign currency exchange rates	51,888
Lodging [Member]
Goodwill [Line Items]
Goodwill	$ 42,211	$ 42,211

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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X

- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

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+ References

No definition available.

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