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Revenue Recognition - Significant Customers (Details) - Accounts Receivable - Customer Concentration Risk	6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Channel partner A
Concentration Risk [Line Items]
Accounts receivable, net	16.00%	11.00%
Channel partner B
Concentration Risk [Line Items]
Accounts receivable, net	12.00%
Channel partner C
Concentration Risk [Line Items]
Accounts receivable, net	10.00%	10.00%
Channel partner D
Concentration Risk [Line Items]
Accounts receivable, net		12.00%

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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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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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