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BUSINESS COMBINATIONS - Calm Acquisition (Details) $ in Thousands		12 Months Ended
	Aug. 22, 2016 USD ($) shares	Jul. 31, 2018 USD ($) business	Jul. 31, 2017 USD ($)	Jul. 31, 2016 USD ($)
Business Acquisition [Line Items]
Number of Businesses Acquired | business		2
Goodwill		$ 87,759	$ 16,672	$ 0
Calm Acquisition
Business Acquisition [Line Items]
Consideration transferred	$ 7,700
Business acquisition equity issued (in shares) | shares	528,517
Cash payment to acquire business	$ 1,400
Goodwill	4,800
Intangible assets	$ 4,000
Estimated Life (in years)	4 years 10 months
Acquisition related costs	$ 600

X

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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