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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2020 | Jan. 31, 2019 | Jan. 31, 2020 | Jan. 31, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 101,268 | $ 74,302 | $ 194,858 | $ 137,600
Sales Revenue, Net | Geographic Concentration Risk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 101,268 | $ 74,302 | $ 194,858 | $ 137,600
Revenue, percentage | 100.00% | 100.00% | 100.00% | 100.00%
Sales Revenue, Net | Customer Concentration Risk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 101,268 | $ 74,302 | $ 194,858 | $ 137,600
Revenue, percentage | 100.00% | 100.00% | 100.00% | 100.00%
Sales Revenue, Net | Customer Concentration Risk | Channel partners |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 98,132 | $ 71,074 | $ 188,375 | $ 131,093
Revenue, percentage | 97.00% | 96.00% | 97.00% | 95.00%
Sales Revenue, Net | Customer Concentration Risk | Direct customers |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 3,136 | $ 3,228 | $ 6,483 | $ 6,507
Revenue, percentage | 3.00% | 4.00% | 3.00% | 5.00%
United States | Sales Revenue, Net | Geographic Concentration Risk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 49,629 | $ 37,626 | $ 95,574 | $ 67,433
Revenue, percentage | 49.00% | 51.00% | 49.00% | 49.00%
Europe, Middle East and Africa | Sales Revenue, Net | Geographic Concentration Risk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 41,002 | $ 29,552 | $ 79,291 | $ 56,946
Revenue, percentage | 40.00% | 40.00% | 41.00% | 41.00%
Asia Pacific | Sales Revenue, Net | Geographic Concentration Risk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 8,828 | $ 5,674 | $ 16,647 | $ 10,463
Revenue, percentage | 9.00% | 7.00% | 8.00% | 8.00%
Other | Sales Revenue, Net | Geographic Concentration Risk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 1,809 | $ 1,450 | $ 3,346 | $ 2,758
Revenue, percentage | 2.00% | 2.00% | 2.00% | 2.00%
United Kingdom | Sales Revenue, Net | Geographic Concentration Risk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue, percentage | 10.00% |  | 11.00% | 10.00%

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