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Revenue Recognition (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2020 | Jan. 31, 2019 | Jan. 31, 2020 | Jan. 31, 2019
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | $ 323,890 | $ 349,473 | $ 664,089 | $ 711,789
Total Telecom & Payment Services [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 310,980 | 337,950 | 638,552 | 689,799
Total Telecom & Payment Services [Member] | BOSS Revolution Calling [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 112,775 | 122,146 | 229,016 | 245,659
Total Telecom & Payment Services [Member] | Carrier Services [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 101,659 | 127,896 | 215,176 | 270,118
Total Telecom & Payment Services [Member] | Mobile Top-Up [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 75,818 | 64,276 | 152,633 | 129,623
Total Telecom & Payment Services [Member] | Other [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 10,951 | 16,770 | 22,357 | 31,527
Total Telecom & Payment Services [Member] | Growth [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 9,777 | 6,862 | 19,370 | 12,872
Total net2phone [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 12,910 | 11,523 | 25,537 | 21,990
Total net2phone [Member] | net2phone-UCaaS [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | 7,939 | 6,027 | 15,161 | 10,832
Total net2phone [Member] | Net2phone-Platform Services [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues, Total | $ 4,971 | $ 5,496 | $ 10,376 | $ 11,158

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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