Business Segment Information (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
Apr. 30, 2019 |
Apr. 30, 2018 |
Apr. 30, 2019 |
Apr. 30, 2018 |
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenues |
$ 341,255
|
$ 365,410
|
$ 1,053,044
|
$ 1,154,848
|
| Income (loss) from operations |
2,749
|
(1,693)
|
5,574
|
(2,090)
|
| Severance |
553
|
3,658
|
553
|
4,293
|
| Other operating expense |
(120)
|
(345)
|
(405)
|
(1,970)
|
| Operating Segments [Member] | Telecom & Payment Services [Member] |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenues |
328,838
|
356,362
|
1,018,637
|
1,128,510
|
| Income (loss) from operations |
6,577
|
3,143
|
18,121
|
12,105
|
| Severance |
553
|
3,592
|
553
|
4,197
|
| Other operating expense |
|
|
215
|
|
| Operating Segments [Member] | net2phone [Member] |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenues |
12,417
|
9,086
|
34,407
|
25,172
|
| Income (loss) from operations |
(1,267)
|
(769)
|
(4,663)
|
(2,233)
|
| Severance |
|
|
|
|
| Other operating expense |
|
|
25
|
|
| Operating Segments [Member] | All Other [Member] |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenues |
|
(38)
|
|
1,166
|
| Income (loss) from operations |
|
(1,138)
|
|
(2,600)
|
| Severance |
|
|
|
|
| Other operating expense |
|
|
|
|
| Operating Segments [Member] | Corporate [Member] |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Revenues |
|
|
|
|
| Income (loss) from operations |
(2,561)
|
(2,929)
|
(7,884)
|
(9,362)
|
| Severance |
|
66
|
|
96
|
| Other operating expense |
$ (120)
|
$ (345)
|
$ (645)
|
$ (1,970)
|