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Business Segment Information (Details 1) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jul. 31, 2018
[1]
Apr. 30, 2018
[2]
Jan. 31, 2018
[3]
Oct. 31, 2017
Jul. 31, 2017
[4]
Apr. 30, 2017
[5]
Jan. 31, 2017
Oct. 31, 2016
[6]
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2016
Revenue from External Customer [Line Items]                      
TOTAL REVENUES $ 392,647 $ 365,410 $ 395,883 $ 393,555 $ 394,987 $ 370,035 $ 367,556 $ 369,151 $ 1,547,495 $ 1,501,729 $ 1,496,261
Retail Communications [Member]                      
Revenue from External Customer [Line Items]                      
TOTAL REVENUES                 582,322 615,645 671,724
Wholesale Carrier Services [Member]                      
Revenue from External Customer [Line Items]                      
TOTAL REVENUES                 645,479 609,079 567,368
Payment Services [Member]                      
Revenue from External Customer [Line Items]                      
TOTAL REVENUES                 283,671 245,263 219,335
net2phone-UCaaS [Member]                      
Revenue from External Customer [Line Items]                      
TOTAL REVENUES                 34,857 29,450 26,353
Zedge [Member]                      
Revenue from External Customer [Line Items]                      
TOTAL REVENUES                 9,474
Rafael (real estate) [Member]                      
Revenue from External Customer [Line Items]                      
TOTAL REVENUES                 $ 1,166 $ 2,292 $ 2,007
[1] Included in revenues was $9.5 million related to a change in estimate for recognizing certain breakage revenue. The Company recorded breakage revenue when the likelihood of the customer exercising its remaining rights became remote. In the fourth quarter of 2018, the Company changed when it generally deemed the likelihood remote from 24 or 36 months of no activity to 12 or 24 months of no activity. Included in income from operations was severance expense of $0.3 million and other operating losses, net of $0.4 million.
[2] Included in loss from operations was severance expense of $3.7 million.
[3] Included in net income was a benefit from income taxes of $3.3 million for an anticipated AMT credit refund.
[4] Included in net loss was income tax expense of $11.1 million from an increase in the valuation allowance on deferred tax assets.
[5] Included in loss from operations was expense of $10.1 million related to a legal settlement and mutual release, including legal fees incurred in the quarter.
[6] Included in net income was a benefit from income taxes of $16.6 million from the full recognition of certain deferred tax assets.