XML 107 R93.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Income Taxes (Details) [Line Items]    
Cumulative undistributed foreign earnings $ 376,000  
Federal net operating loss carryforwards 156,000  
Foreign net operating losses 90,000  
Foreign net operating loss, no expiration 81,000  
Foreign net operating loss, expiration in two to ten years 8,000  
Foreign net operating loss, expiration in twenty years 1,000  
Additional valuation allowance (15,470) $ (1,850)
Tax credits to be received $ 21,100  
Tax credit, description The Company may claim a portion of the tax credit each tax year for ten years beginning in 2017. The tax credit can be applied to 100% of the Company’s New Jersey tax liability each year, and the unused amount of the annual credit can be carried forward. In addition, the Company may apply for a tax credit transfer certificate to sell unused tax credits to another business. The tax credits must be sold for no less than 75% of the value of the tax credits.  
Valuation Allowance Utilized Current Expense [Member]    
Income Taxes (Details) [Line Items]    
Additional valuation allowance $ 3,500  
Valuation Allowance Utilized Future Expense [Member]    
Income Taxes (Details) [Line Items]    
Additional valuation allowance 8,400  
Net2phone [Member]    
Income Taxes (Details) [Line Items]    
Federal net operating loss carryforwards $ 49,000  
Net operating losses expiration, description The Company’s subsidiary, net2phone, has additional federal net operating losses of approximately $49 million, which will expire through fiscal 2027.  
Losses limited under internal revenue code $ 7,000